Complex sentence: In 1957, Gitter recorded his own vocals and acoustic guitar on "Ghost Ballads" (Riverside, RLP 12-636), folk songs with supernatural themes, packaged with album art by Charles Addams.
Split into simpler sentences: In 1957, Gitter recorded his own vocals and acoustic guitar on "Ghost Ballads", released by Riverside Records. This album contains folk songs with supernatural themes, and is packaged with album art by Charles Addams.