Now the hip-hop star is hoping to make amends for the delays by offering his devotees a free mixtape, entitled Sorry 4 The Wait.

A message posted on states, "This mixtape, Sorry For The Wait, is a thank you to you fans for... your continued support of Tha Carter IV, which will be released on August 29th."

The 12 tracks on the mixtape include remixes and freestyle raps over songs by Drake, Beyonce and Big Sean.