Mockingbird is a song by American rapper Eminem, from an album that was released by Aftermath Entertainment, Shady Records, and who else?
Mockingbird (Eminem song): "Mockingbird" is a song by American rapper Eminem from his fifth studio album "Encore" (2004). Encore (Eminem album): Encore (stylized as ƎNCORE) is the fifth studio album by American rapper Eminem. Encore (Eminem album):  It was released by Aftermath Entertainment, Shady Records, and Interscope Records.
Interscope Records