Sister rock duo Heart to appear on "CTM" Wed.

(CBS News) Sisters Ann and Nancy Wilson -- the women behind the rock band Heart -- will appear on "CBS This Morning" Wednesday.

The duo, who wrote their songs and played instruments, stormed the charts in the '70s with hits like "Crazy on You, "Magic Man" and "Barracuda."

Their albums have sold 35 million records worldwide during their nearly four decades in music.

Be sure to tune in to "CTM" Tuesday 7-9 a.m. ET for their full interview.