Whistling at different characters may yield different results...
By the way, we see Jeff the drummer being jailed for some obvious reason.

Characters hidden inside a building or behind an obstacle become semi-transparent. A single arrow indicates that the character is one floor above or below (watch the arrow’s direction), a double arrow indicates 2 floors or more.

Have a look at the architecture! You won’t have the time while playing the game!
John, guitar player, captured by 5 girls! Everybody likes to hang around in bars.