Complex sentence: In early September 1994, the duo collaborated with Johnny Cash on a rendition of his song "Folsom Prison Blues" for the album "Red Hot + Country", a charity album made by the Red Hot Organization to benefit AIDS awareness.
Split into simpler sentences: In early September 1994, the duo collaborated with Johnny Cash on a cover of his song "Folsom Prison Blues". This cover appeared on the album "Red Hot + Country", a charity album made by the Red Hot Organization to benefit AIDS awareness.