Complex sentence: The song was nominated for Best Rap Callboration at the 50th Grammy Awards in 2008, but Lost to the song "Southside" which was on Common's album "Finding Forever" which KanYe Executive Produced.
Split into simpler sentences: The song was nominated for Best Rap Callboration at the 50th Grammy Awards in 2008. It lost to the song "Southside" that's on Common's album "Finding Forever" which KanYe Executive Produced.