Ledgin, Stephanie P. (2010). Discovering Folk Music. s. 37. ISBN978-0-2759-9387-0. OCLC276335257. «Ola Belle was such a revered, influential figure, that young artists have promoted her music vigorously in recent years. The group Ollabelle, anchored by Amy Helm—daughter of rock music's Levon Helm of the Band who, in the traditional folk.»
Ledgin, Stephanie P. (2010). Discovering Folk Music. s. 37. ISBN978-0-2759-9387-0. OCLC276335257. «Ola Belle was such a revered, influential figure, that young artists have promoted her music vigorously in recent years. The group Ollabelle, anchored by Amy Helm—daughter of rock music's Levon Helm of the Band who, in the traditional folk.»
Sweet, Brian (2008). Steely Dan: Reelin' in the Years. ISBN978-0-7119-3551-8. OCLC30913514. «The latter group, a roots-rock band, features Fagen's stepdaughter Amy Helm. The intention is that Ollabelle will open the show and then act as backing band for Fagen and Snow. * * * With the passing of the years, it's no secret that like so [...]»
