He may have been arrested for marijuana possession in Texas yesterday (May 25), but Wiz Khalifa kept his promise and eventually blessed his fans with his brand new mixtape, '28 Grams' late last night.

The free project features a mix of 28 all-new songs and remixes of current hits including ScHoolboy Q's 'Man of the Year' and K Camp's 'Cut Her Off.'

Artists Juicy J, Ty Dolla $ign, Curren$y and more fill out the guest list, while Southern hitmakers like Metro Boomin, 808 Mafia and Sonny Digital provide the potent production, hence the moniker "Trap Wiz."

Khalifa called '28 Grams' his "hardest mixtape ever." On Twitter, Wizzy further explained the vision behind the mixtape.

"Fun. Expression Art. Thass what '28 Grams is," he tweeted. Art is expression. You should be having fun creating."

He also added, "I made this project wit all friends and people I respect. And thass awesome."

The project serves as a warm-up to Khalifa's upcoming 'Blacc Hollywood' album, due later this year.

Listen to Wiz Khalifa's '28 Grams'