In 1993, producer Jermaine Dupri launched his So So Def record label to showcase southern hip-hop artists. In the quarter-century since then, the imprint has worked with a slew of big-name artists from the ’90s and 2000s, including Jagged Edge, Daz Dillinger, Da Brat, Bow Wow, Kriss Kross, and Anthony Hamilton. In celebration of the record label’s achievements and cultural influence, the Grammy Museum has launched a four-month exhibit dedicated entirely to So So Def. Billboard reports this is the first time a hip-hop label has received its own show at the Los Angeles facility. The show will feature stage outfits, photos, and other memorabilia from the label’s stars. “Considering…