Before she cleaned up her act, she did one of the naughtiest, but non-graphic songs ever, the original Love To Love You Baby, which runs almost 17 minutes.
http://www.youtube.com/watch?v=V5AztWseIdU&t=0m14s
This was extremely popular among US Army Special Forces, for one.
RIP Donna but I hated that song “Love to love you baby’
How did that annoyance to the ears ever become a hit? Would have made the grade as grunting background music for a porn scene. No joke.