Forward - Since December 2010, the Vitamin String Quartet's discography spans over 300 releases. The following information was current as of July 2007: Vitamin String Quartet is a series of string quartet covers released by Vitamin Records by several different groups of musicians. They focus on one band per record, and perform classical versions of their songs, generally note for note. They use a wide array of instruments but focus mainly on violins and cellos. Over the years, they have put out a staggering number of albums (232), honoring both mainstream and indie groups alike.