Written by group member Brandon Casey and legendary producer Jermaine Dupri, I Gotta Be is a masterclass in vocal harmony. It peaked at number 11 on the Billboard Hot 100 and reached the top of the R&B charts, proving that the quartet from Atlanta had the staying power to compete with peers like 112 and Dru Hill.

The most popular choice for creating 90s R&B playlists.

In the modern era, there are several ways to add this R&B classic to your permanent collection. Whether you prefer high-fidelity audio or the convenience of a smartphone library, you have plenty of options. Streaming Services

The chemistry between twin brothers Brian and Brandon Casey, along with Kyle Norman and Richard Wingo, creates a seamless wall of sound.