"Letter To Pun" is a song by Cuban Link from his album Chain Reaction. This song is dedicated to Big Pun. Also in this song Cuban says that since Pun has been dead there "has been a lot wack rapping from the so-called Don". This verse is directed at Fat Joe due to Cuban's beef with Fat Joe after Pun's death.
The song features a sample from the song "Making Love Out Of Nothing At All" by "air Supply"