FBI

FBI was right in the middle of a months-long nation-wide investigation into the infiltration of organized crime into the entertainment industry.

For this, they intended to employ a non-federal undercover agent, someone who understands the music business, plays an instrument, has the looks, brains and talent to be accepted by the insiders.

Therefore Desmond went outside the Piano Pit and proposed Passionate Patti, who was just fired. PAtti thought it would be a sweet revenge, not only for her recent embarrassment, but all times when she gave her talents for a bunch of ingrates

The FBI secret labs are behind buildings such as Stein Laboratories and Woodwind Repair Shop