A plan B isn't arriving on time, it's having something to keep playing with if something breaks or someone can't show up. The fee for an event can range from MX$2,300 to MX$50,000 depending on the format, and losing it in one stroke for lack of a backup (an instrument, a substitute or an extra speaker) costs more than that payment: it costs the reputation that brings you your next client.
We already covered travel logistics and punctuality in another guide: how to calculate your arrival and not fail because of traffic. This piece starts from another problem, the one that happens even if you leave with plenty of time to spare: what you do when the failure isn't about the schedule, but about a string breaking, your voice going out because of a cold, or the speaker you were going to use simply not turning on. That is the territory of redundancy, not of punctuality.
Why isn't punctuality enough if you don't have a backup plan?
You can calculate your departure with an hour of margin, check the traffic and still arrive at the exact place on time and discover that the amplifier stopped working, that the wireless microphone lost its signal, or that you woke up without a voice. Punctuality solves the risk of not being in the right place at the right time; the backup plan solves the risk of being there and not being able to play anyway. They are two different problems and each needs its own solution. A musician who only prepares for traffic is still exposed to losing the show because of a failure that has nothing to do with the departure time, and that kind of mishap usually shows up exactly when there is the least time to solve it, with the guests already seated and the client waiting for the music to start.
What spare instrument is worth always having ready?
For someone who plays an acoustic or electric instrument, the simplest way to protect yourself is to have a second piece in playable condition, not just carried in the case. A spare guitar already tuned, an extra pair of sticks for someone who plays drums, a backup mouthpiece for wind instruments, or a second unit of the pedal or cable that has given you the most trouble in the past: the rule isn't to duplicate all your equipment, but to identify the single piece that, if it fails, leaves you unable to play at all, and make sure you have a second one of that specific piece. For a singer, the equivalent is to carry throat lozenges and room-temperature water, and to know in advance a reduced repertoire you can sing even if your voice isn't at one hundred percent that night, instead of improvising the solution in the moment.
How do you build a network of trusted substitute musicians?
A serious illness, an accident or a last-minute family emergency can happen to any musician, and when it does, the difference between losing a client forever and saving the event usually lies in whether you already had someone to call. Building that network before you need it means identifying, within your own format and your own city, two or three musicians whose level and repertoire you know firsthand, not just by name, and with whom you have a clear agreement to cover for each other in a real emergency. This works best when it's reciprocal: you also agree to be someone else's substitute when they call you, because a backup network that only asks for favors without returning them quickly ceases to exist. It's worth keeping these musicians' contact saved with a clear note on what format they play, how quickly they can be available and whether they have already covered an event of yours, so you aren't improvising that call at the worst possible moment.
If the day's failure isn't yours but the entire provider's, that is, if you're the one who hired another group as part of a larger event and that group doesn't show up, the perspective on what the client can do in that situation is explained in what to do if the group doesn't arrive and how to recover the deposit, which shows the same problem from the other side of the table.
What equipment and battery backup keeps the show from stopping mid-event?
Sound equipment fails more often than any musician would like to admit, and almost always at the worst possible moment. Carrying fresh spare batteries for wireless microphones and pedals that use them is among the cheapest things you can carry and among those that save an event most often, because a battery dying in the middle of a song is one of the most common and most avoidable failures that exist. A spare power cable and a spare audio cable, stored apart from the rest of the equipment so you don't have to take everything apart looking for them, cover the second most frequent failure. If your format depends on a speaker or an amplifier that can't be replaced on the spot, it's worth asking beforehand whether the hall or venue has its own equipment you can use as an emergency plan, so you don't depend completely on a single piece that, if it shuts off, shuts the whole event off with it.
What should you do if something fails half an hour before the event starts?
The protocol worth having decided before it happens, not invented in the moment, starts with diagnosing quickly: is it the instrument, the sound equipment, or are you the one who can't play? If it's the instrument or the equipment, use your own backup first; that's where an extra tuned guitar or a spare drum kit already packed saves you the minutes you don't have. If the problem is you (a medical emergency, an accident on the road), that's where you immediately call your network of substitutes, starting with whoever is closest to the event venue and not whoever plays best, because distance decides more than talent when thirty minutes remain. And in either case, notifying the client right away, with the truth and with a concrete solution already underway (not just the news of the problem), is what separates a professional handling an emergency from someone who simply stood them up. Keeping the client's or event organizer's number somewhere you can find it quickly, and not just in memory, is a small detail that saves valuable minutes exactly when they matter most.
Is it worth buying insurance if you already have a backup plan?
A backup plan solves keeping the show going; insurance solves something different, which is who pays if your equipment is truly damaged or if an accident involving third parties occurs at the event. The two problems coexist, they don't replace each other: you can have the best network of substitute musicians in the world and still face property damage or a civil liability that no logistical plan B covers. If you've never reviewed what an insurance policy for musicians who play in halls, haciendas or gardens covers and doesn't cover, the guide on liability insurance for musicians in Mexico explains, as a general orientation, in which cases it's worth getting a quote.
Frequently asked questions
What is the minimum I should bring as a backup to every event?
Fresh batteries for wireless microphones and pedals, a spare power cable and a spare audio cable, and if your format allows it, a second piece of the instrument or accessory whose failure would leave you unable to play. It's the cheapest combination that solves the most common failures.
How do I find trusted substitute musicians if I play solo?
Start with musicians in your same format whom you already know in person, not just by reference, and propose a reciprocal agreement: you cover them in an emergency and they cover you. A network that only receives favors without returning them quickly stops working.
What do I do first if I get sick on the day of the event?
Notify the client immediately, don't wait until event time hoping to improve. Then call your network of substitutes starting with whoever is geographically closest, so that travel time doesn't shrink the remaining window even further.
Does a backup plan replace the need for insurance?
No. The backup plan solves keeping the music playing; insurance solves who pays if there is property damage or an incident involving third parties. They are two different protections and it's best to have both, not one instead of the other.
Should I tell the client I have a plan B, or only use it if needed?
Mentioning it briefly when quoting (for example, that you have backup equipment and trusted contacts in case of emergency) usually builds more trust, not less. A client who knows you thought about the unexpected perceives that as professionalism, not as doubt about your ability.
If besides your backup plan you want to verify that your rate is aligned with the rest of the market, the serenattia Index of live music prices in Mexico compiles public ranges by format and city.
If you want more clients to trust your professional handling of every event, including the unexpected, you can create your musician profile on serenattia.
Written by Christian Lopez, Head of Operations, serenattia. Last updated: September 2026.