Rounder Records, the pioneering American roots music label, is continuing its 45th anniversary celebration.  Over the past months, the Cambridge-founded, Nashville-based Rounder has been making titles from its deep catalogue available as digital downloads.  We’ve previously reported on Rounder’s bluegrass initiative, and now Rounder is turning its attention to a digital roll-out of the label’s diverse and rich Cajun and Zydeco catalogue. Rounder’s VP of A&R, Scott Billington, comments, “In the final decades of the 20th Century, the accordion and fiddle-driven music of South Louisiana was reborn. Cajun and Creole musicians such…