Back in the Saddle and Is This Hip at the Sheridan Room 2021:
The BlackSchu Band at the Street Theatre 1
The BlackSchu Band at the Street Theatre 2
Online music theory & ear training
http://www.musictheory.net
Online sightsinging training (this is a pay sight but quite inexpensive) http://www.sightsingingschool.com
Some great Youtube clips:
Hugh Laurie & Stephen Fry as Jeeves & Wooster
Minnie the Moocher