Sweet Sensation artist popular songs

UK soul group Sweet Sensation was a US top 20 one hit wonder with the song Sad Sweet Dreamer. In the UK, this was a number one song, and follow-up, Purely By Coincidence reached number 11.
This group Sweet Sensation was from the UK. In the 1980s, another unrelated soul and dance group also called Sweet Sensation had a string of popular songs. That second group was from New York City.