Jem Aswad Senior Music EditorIt is remarkable how few people know that the same person produced Bob Dylan’s three defining early albums (as well as “Like a Rolling Stone”), the first two Velvet Underground albums, Frank Zappa and the Mothers of Invention’s debut “Freak Out” and pivotal music by jazz legends Sun Ra and Cecil Taylor (including tracks with John Coltrane), among many others.It was Tom Wilson, a visionary music producer who died in 1978 at the age of 47.He was even the man who in