What episode is this(2)?

Piper's club isn't doing well, so she is looking for a big band to play there and gets the band, Dishwalla. The manager of the band, Jeff Carlton, has made a deal with a demon to exchange young souls for money and success

Say the name of the episode and also what season it's in to win 10 支持 - only 1st correct answer gets the props!!!!:)