Instructions:Free credit is available from E4 show 'MISFITS' (which is sponsored by Nokia OVI). Five free tracks are available for each show (codes for six episodes+ Aftermath).
The codes for the six episodes are:
EP1: G9NQ-M7PW-HFPY-GTJ7 EXPIRED
EP2: C4QD-4XFL-VF74-YMKB EXPIRED
EP3: WQLN-WDTM-V4J4-6GZZ EXPIRED
EP4: MJYM-JM2R-DWVQ-6PYG EXPIRED
EP5: GGP6-XC53-YYFL-PHM6 EXPIRED
EP6: VLBV-MPBX-XDNQ-F79V EXPIRED
Aftermath: 8S5P-WX57-R83H-7JXY EXPIRED
These credits last approximately three months once redeemed, and don't forget they can be entered for each nokia music account you have created.
I'm new to this site so if I've posted incorrectly or it has been mentioned elsewhere, then I can only apologise.