1st Class is the second full-length studio album by American rapper and producer the Large Professor. It was released on October 8, 2002, through Matador Records. Recording sessions took place at Bang'n Studios and C Mo' Greens Studio in Queens. Production was handled by Large Professor himself, Hill, J-Love and Xplicit, with Kenneth Johnson serving as executive producer. It features guest appearances from Akinyele, Busta Rhymes, Nas and Q-Tip.
The album didn't reach the Billboard 200 chart, however, it peaked at No. 52 on the Top R&B/Hip-Hop Albums and at No. 21 on both the Independent Albums and the Heatseekers Albums charts in the United States. Its lead single, "'Bout That Time", made it to No. 38 on the Hot Rap Songs, while the album's second single, "Radioactive", reached only No. 43 on the Hot R&B/Hip-Hop Singles Sales.