Hey, I'm new on 8notes.com, and also a newbie on the recorder.
Nik Kershaw's "The Riddle" is an awesome song, so I wondered if it is possible to play on the soprano? Please post the notes if you know it

No but here are some other songs

Ode to joy
BBC DDCB AGG ABBA ABB CDDC BA GGAB AGG

Jingle bells
BBB BBB BDGAB CCCC CBBB BAABAD BBB BBB BDGAB CCCC CBBB DDCAG

Hot crossed buns/three blind mice
BAG BAG GGGG AAAA BAG

Also if your a bit more advanced

Jolly old saint nicholas
BBBB AAA GGGG B low E low E low E low E low E low E G
AGABA or AGABG

Twinkle, twinkle little start
low D low D AABBA GG low F low E low E low E low D AAGG low F low F low E AAGG low F low F low E low D low D AA BBA GG low F low F low E low E low D

Yankie doodle
GGAB GBA low D GGAB G low F GGAB DBAG low F low D low E low F

Hope that helps!