Greg 'Curly' Keranen is a bassist and guitarist, who sometimes performs under the stage name, João Dilberto.
Keranen was a founding member of The Rubinoos (1970), and originally became associated with Jonathan Richman as a member of "Jonathan Richman and the Modern Lovers", during the band's association with Beserkley Records (1974), and has continued to record with Jonathan Richman over the years.