Piano-Playing Alfred?
Alfred played a kite-powered guitar on issue #97,
ground away on an organ on issue #112,
fiddled around on the rooftops of issue #156,
did his best Bruce guitar on issue #270,
and donned heavy metal guitar duds on issue #288.
#97
Kite-Powered Guitar
#112
Organ Grinder
#156
Rooftop Fiddle
#270
Bruce Guitar
#288
Heavy Metal Guitar
Kite-Powered Guitar
#112
Organ Grinder
#156
Rooftop Fiddle
#270
Bruce Guitar
#288
Heavy Metal Guitar
He didn't tickle the ivories on any regular issue covers…