RIP Tom Rapp, the 60s song writer, singer, and guitarist. Gene Weingarten wrote him a nice mini-obit in his weekly chat.

https://live.washingtonpost.com/gene-weingarten-20180213.html#5046148

He wrote a full profile of Rapp in the 90s:
https://www.washingtonpost.com/wp-srv/style/features/rapp.htm

And here's some of Tom Rapp's music:
https://www.youtube.com/watch?v=Qz1YF6qP2Ik