Conspiracy theory: they can't do lots of shows because their new sound system includes state-of-the-art mics with the best built-in autotune, and on top of being super expensive equipment they can't risk many people knowing their sekrit.
Only a few selected ones know it, so they can only book dates when their "top secret" team is available. Oh and they are sworn to secrecy and face a lifetime of listening to Jon's raw, unadulterated voice serenading them under their balcony every Friday at midnight in case they fail to comply
