Rocker
Petri Vehviläinen (singing starts at 0:35)
Singing as song written by him.
http://www.youtube.com/watch?v=0Pmkb5nda-I

Singer-songwriter
Lars Eriksson (singing starts at 0:11 and 1:58)
Lars singing Bob Dylan, and a song written by himself.
http://www.youtube.com/watch?v=W85TOP4Ix9Y

Ballad?
Anna Bergendahl (singing starts at 1:18)
Singing Have a Heart by Bonnie Raitt.
http://www.youtube.com/watch?v=oSrQKIU5jis

Listen

_________________
[Awaiting a new signature banner by me]
My former names on AU:
Callondhaer, Duilantion