In „The Cat Concerto“ a stage is set in an auditorium. In a formal
concert, Tom, a piano virtuoso, is giving a piano recital of „Hungarian
Rhapsody No. 2“ by Franz Liszt. Jerry, who is sleeping inside the
piano, is rudely awakened by the hammers, then sits on top of the
piano to mock the cat by „conducting“ him. Tom flicks Jerry off the
piano. Tom continues playing without any interruptions.
Jerry arises from under one of the keys. Tom plays tremolo on this
key, knocking Jerry on the head, and then Jerry runs back and forth
underneath. Tom smashes the mouse under the keys, plays the main
theme of the rhapsody, and when Tom lifts his two fingers from
playing a trill, the piano continues playing. He looks over the edge of
the piano and spots Jerry playing the felts from inside. To quiet him,
he whacks Jerry with a tuning tool. Jerry slams the piano lid onto
Tom’s fingers. Tom still plays, and then Jerry pops out on the far right
of the piano to attempt to cut Tom’s finger with a pair of scissors as
he plays a note from the very highest minor third of the piano. After
the sixth miss, Jerry pants from this effort, and then substitutes a
mousetrap for the white keys just below it. Tom plays the keys on
either side for a few seconds but eventually, Tom’s finger gets
caught in the trap.
Jerry prances up and down on the piano, upon which Tom climbs and
proceeds to play with his feet. As Tom gets back down to play with
his fingers, Jerry dances around on the felts, momentarily changing
the tune from the rhapsody to „On the Atchison, Topeka and the
Santa Fe“. Tom then plays a chord where the mouse is bounced
repeatedly, receiving rude gestures in return, and eventually catches
the mouse and stows him into the piano stool. Jerry then crawls out
of an opening and manipulates the seat’s controls, cranking it up, and
sending it crashing down, causing Tom to get his head covered in his
clothes and then land on the keys.
Tom stuffs Jerry into the felts and then goes crazy on the piano,
going back to the rhapsody. The felts take on a life of their own,
bashing Jerry about, spanking him, and squashing him to and throw.
Eventually, Jerry gets squashed and comes out, very angry about
this, and then breaks off some felts as his sticks and plays the finale
of the rhapsody in one last retaliation. Jerry constantly increases the
speed of his playing, plays two false endings, and generally taunts
him, such that Tom is left with raggedy clothes and collapses at the
end of the tune. The audience then applauds for the performance,
and Jerry takes the praise for himself by bowing to the audience as a
spotlight shines on him.