"I Will Always Love You" was originally by Dolly Parton.
Parton wrote the song in 1972 for her close friend Porter Wagoner after deciding to leave his TV show the two had co-hosted.
"Like a Prayer" was originally by Madonna.
Although this song was an original, her song "Ray of Light" was originally by Curtiss Maldoon.
"Respect" was originally by Otis Redding.
Redding wrote the song in 1965 with his version reaching #35 in the United States, but it did not include the classic R-E-S-P-E-C-T chorus.
"Girls Just Wanna Have Fun" was originally by Robert Hazard.
Hazard wrote the song in 1979 and had forgotten about it until Rick Chertoff, who had been looking for material for Lauper's album, reached out to him.
"Walk Like an Egyptian" was originally by The Bangles.
Although this song was an original, their song "Manic Monday" was originally by Apollonia 6.
"Jailhouse Rock" was originally by Elvis Presley.
Although this song was an original, his song "Hound Dog" was originally by Willie Mae "Big Mama" Thornton.
"Twist And Shout" was originally recorded by The Top Notes.
Phil Medley and Bert Berns wrote the song in 1961 and it was originally called "Shake it Up, Baby."