Turns out it's a bit early, but nevertheless we make it Scott Jopin day in Music Theory.
The Entertainer (1902), first phrase of first theme
C: Re Ri Mi Do Mi Do Mi Do Do Re Ri Mi Do Re Mi Ti Re Do
V I I6 I64 I65 (V65 of IV) IV IV6 I6 I64 I6 I64 V V7 I
Record new versions of the first three movements of Duo Sonata No. 1 ("Hyphenated") in the lab, including III. Serenade-Rag.