JBL Charge 4 - Black

JBL Charge 4 - Black enters with X sound counters.
When JBL Charge 4 - Black enters the battlefield play a random song on your phone at maximum volume through a speaker (you can't use a playlist for this)
Any opponent may pay {5} to have you stop the song
Creatures you control gets +x/+x, where X is equal to the sound counters on JBL Charge 4 - Black for as long you play a song on your phone
{4}: Play a new song