You're already aware of my eclectic busking set list, Steve, but these (and a few others) are always a hit where I play:
in no particular order
Feelin' Groovy - Simon and Garfunkel
With a Little Help from my Friends - The Beatles
Summer Breeze - Seals and Crofts
Sunshine on my Shoulders - John Denver
Have You Ever Seen the Rain - CCR
Sister Golden Hair - America
How Sweet it Is - James Taylor
Someone Like You - Adele
Firework - Katy Perry
Thriller - Michael Jackson
My (almost) full list:
http://www.kylescobie.com/p/song-list.html
Bel isi,
-kyle