Special Generation sang heart felt harmonic background vocals on several MC Hammers hit releases like which track considered to be Hammer's signature song and is his most successful single?
Special Generation (band):  The group sang heart felt harmonic background vocals on several MC Hammers hit releases from the 90's (such as "U Can't Touch This", "Help the Children" and "Have You Seen Her"), before becoming major recording artists in their own right in early 1990.
i don't know