Where are all of the musicians in Black and White?

Question

These are people who change the atmospheric music. An example would be the keyboard guitar player to the left of the Pokemon center in Opelucid.

Answer 1

The places where the musicians are:
Accumula Town - top right house, after talking starts to play, plays continue until departure of location
Nacrene City - outside Cafe Warehouse, after talking starts to play (music plays within a close area of player)
Icirrus City - between Pokemon center an Pokemon Fan Club (music plays within a close area of player)
Opelucid City - varies with version, after talking (music plays within a close area of player)
Village Bridge - multiple locations, after talking starts to play, plays continue until departure of location
Anville Town, after talking (music plays within a close area of player)

(source)