How do i convert Sony OMG files to wma, wav or Mp3?

[tumbar]

New to this OMG format. Trying to help a friend.

thanks, Jim

[pacohaas]

if you're speaking of .oma files from the sonic store:
http://www.marcnetsystem.co.uk/

Programs->HI-MD Renderer Program

edit: actually i think it works on .oma and .omg files(though i'm not sure of the difference)