In the 2005 revival of this musical, Patti Lupone not only played Mrs. Lovett, she also played the tuba
The cast consisted of: Patti LuPone (Mrs. Lovett/Tuba/Percussion), 
Michael... [DOC] [TLE] And by the Way, They Act a Bit, Too - The New York Times [PAR] Dec 18, 2005 ... His left hand holds a triangle, which Patti LuPone, as Mrs. Lovett, strikes ("pling, 
pling") with a metal stick.