August 06, 2010 at 04:31 AM EDT

Family Guy creator Seth MacFarlane used his appearance on The Tonight Show Thursday to reveal his next project  – a big band album.  According to a transcript released prior to the show, MacFarlane tells Jay Leno that he’s working on an album for Universal Republic Records and that it will feature “swing arrangements of classic tunes.  We kind of deliberately touched stuff that the Deans (Martin) and the Franks (Sinatra) and the Sammys (Davis Jr.) didn’t do yet.”

After the announcement, MacFarlane took the microphone and sang “Cream in My Coffee” with backup from The Tonight Show band.

Leno’s other guest was Mickey Rourke while the night’s musical performance came from the Plain White T’s.

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