The opening tune in the medley is "Ivory Rag" by Lou Busch and Jack Elliott.
The second is "Das machen nur die Beine von Dolores" by Michael Jary.
The third is "Was macht der alte Seemann" (Heino Gaze & Günther Schwenn).
It also became the first million-selling ragtime record in the United States since Del Wood's "Down Yonder" in 1951, and eventually sold in excess of two million copies.
The Grateful Dead song "Ramble on Rose" contains a line about Crazy Otto.