Although OTRCAT.com does not have recordings of every series listed below, the following is quick reference guide to old time radio show series, theme music title, and composer (when available).
(4/29/1932 - 10/13/1940): "Destiny" (Valse Lente)(1912) [aka: "Destiny Waltz (What Do We Know of the Morrow?)"] - Sydney Baynes (m); D. Eardley-Wilmot (w)
(10/20/1940 - 4/24/1959): "Patricia" (Waltz) (1943) - Paul Carson
O'Neills, The - "Londonderry Air" [vocal title: Danny Boy]- Ireland Traditional Irish Air from Londonderry County
Open Door, The - "Sim Sholom" [Grant Peace] - Traditional Jewish Melody
Theme 1: "There's No Business Like Show Business" [from the 1946 musical "Annie Get Your Gun"]- Irving Berlin
Theme 2: "Let's Get On With The Show" - Wade F. Denning Jr.
Theme 3: "Stand By" - Wade F. Denning Jr.; Lloyd Marx; Harold Orlob
Close Theme 4: " Perfect Day, A" (1910) - Carrie Jacobs Bond
Orphans of Divorce - "I'll Take You Home Again, Kathleen" - Thomas P. Westendorf
Orrin Tucker [big band shows] - Signature Theme on various shows: "Drifting And Dreaming (Sweet Paradise)" - Egbert Van Alstyne (m); Erwin R. Schmidt (m); Loyal B. Curtis (m); Haven Gillespie (w)
Our Gal Sunday - "Red River Valley" - originally a Canadian Folk Song circa 1869 Trad.
Our Miss Brooks - "Brooks Theme" [aka: "Our Miss Brooks Theme"] - Wilbur Hatch
Ozzie Nelson '27, and his Orchestra - "Loyal Sons of Rutgers" - Philip Bliss; Ozzie Nelson