A $30 million production cost, but a strained relationship with Sony Music. Michael Jackson’s Invincible became the global icon’s last, and his least beloved project. How did this happen to the man that produced the highest selling album of all time?

Multiple artists helped Crunk music’s success, but not to the same level of Lil Jon. Along with The East Side Boyz, Kings Of Crunk took Crunk music from a popular Southern sub-genre to a cross over phenomenon.

Having one of the most incredible and unprecedented runs during the first half of the 1970s, Al Green’s I’m Still In Love With You could arguably be the best album from his incredible run between 1970 and 1975.

Just when you thought there was a mystique with MF DOOM, in 2003 he introduced a new pseudonym by the name of Viktor Vaughn through a tremendous concept album, titled Vaudeville Villain.

Approaching their mid-20s, TLC showed growth and maturity on their second album, becoming cross over stars and soon to be one of the most iconic R&B acts of the 1990s.

A side project from four artists who were frustrated with the music industry, led to a cult-classic debut album, and the creation of a new Hip-Hop sub-genre called Horrorcore.

One of the last blockbuster albums of the “album era”, Confessions by Usher marked his peak as an artist from both a commercial and artistic perspective. Completing a phenomenal three album run along the way.

Though not all of Pink Friday has aged gracefully, its legacy has. With Nicki Minaj’s debut album, it helped breath new life for women in Hip-Hop. With many female rappers having success currently, they all have to thank Nicki Minaj for it.