S'Wonderful by Benny Goodman.
Song reached #5 on “Your Hit Parade” CD audio, originally issued on 78rpm: Victor 25727 - It's Wonderful (Smith-Parish) by Benny Goodman & his Orchestra, vocal by Martha Tilton, recorded...
'S Wonderful written by George and Ira Gershwin performed by The Benny Goodman Quartet recorded 12 October 1938 released as Victor 26090, from the album "A Swing Session with Benny Goodman"...
It's Wonderful by Benny Goodman.
Swing into Spring 1959.