Episode 66 of "Will and Grace"
s03e20 An Old Fashion Piano Party
Title: An Old Fashion Piano Party
Original Air Date: 04/19/2001 on NBC
Plot Outline:
When Grace frets that she and Will might drift apart like their similar friends, she impulsively buys an expensive piano which she hopes will cement their mutual bond and love for music – or at least give her an excuse to perform a lot of show tunes. Meanwhile, when Jack is dumped by his latest romantic interest, he vents his grief by writing trashy novels which instantly draw Karen's passionate attention.