Symphonic Accompaniment

When a bard plays their instrument and sings it causes everyone within earshot to make a -3 saving throw vs wisdom or drop everything they are doing and immediately join in the merriment with dance, song or improvised musical instrument just like in a Disney musical. Not only do they join in, but do so as if choreographed as well as led by a symphonic conductor. This effect lasts as long as the bard's song is playing or one hour has passed at which time everyone goes back to what they were doing, but happy and charmed  unless attacked. When the spell ends, the creature does not know it was charmed by you.

At higher levels  your songs may gain you followers (groupies) that are friendly and helpful to you until dismissed or mistreated.