Film was originally intended to be a full-fledged musical, but this tested poorly with audiences, so most of the musical numbers - except the most essential to the story - were cut. This helps explain the mysterious appearance of Elvis Costello in two roles in which he does very little.
The group home that Elijah lives in as an adult is in The Bronx. The address is 1464 Southern Blvd. and it is located across the street from The Plaza De Castillo.