By 1995, Riggs landed an internship at the Source Magazine, where he rose from assistant to staff writer to Senior Associate Music Editor.

From 1995 to 2000, Morales wrote for the magazine's most popular columns, including the Hip-Hop Quotable, Fat Mix-Tape, Singles Watch, the polarizing mic-rated Record Report as well as the Unsigned Hype page.

Morales won 2011 Grammy acknowledgment for his work on Eminem’s comeback album, Recovery, where he secured the diamond-selling single, "Love The Way You Lie," featuring Rihanna.

[3] In 2015, Morales signed and co-produced Hamilton: Original Broadway Cast Album with Pulitzer Prize-winning playwright Lin-Manuel Miranda.

The album included contributions by Nas, Kelly Clarkson, Jimmy Fallon, Wiz Khalifa, Alicia Keys, Ashanti, Busta Rhymes, Ben Folds, Regina Spektor, Queen Latifah, Common, Usher, Sia and Chance The Rapper.

Morales followed up with Hamildrops, a series of songs inspired by the musical that featured takes from Weird Al Yankovic, Mobb Deep, Sara Bareilles and President Barack Obama.

In 2005, Morales co-produced The Monday Night Fight Klub alongside founders and creative directors 12 Gauge Media, a bi-weekly event that pitted emcees against each other in a verbal competition.

[4] In 2005, Morales' launched his own media company, Rigg'd Up, Inc. partnering with Quincy Jones III's QD3 Entertainment (Beef, Tupac: Thug Angel, The MC) to create hip-hop based content ranging from in a variety of mediums including television, movies, and DVDs.

Morales has also remained a freelance writer for XXL, Vibe, Scratch, Urban Latino and Mass Appeal, and has written biographies for Pun.

[6] In January 2021, Morales' work with music and social justice was recognized when he was selected as part of Billboard Magazine's Change Agent for 2020.