1. The Jackson 5
  2. Smokey Robinson and the Miracles
  3. The Four Tops
  4. Boyz II Men
  5. NSYNC
    Go back and listen to their catalogue. They're legit perfect.
  6. H-Town
  7. Add to this list
  8. Another Bad Creation
    Ironically a great creation.
    Suggested by @Ders808
  9. BBD
    Suggested by @olive