The US-only 12" of "Waterbed" was also a very early 12" single and was mixed by Tom Moulton and mastered by Jose Rodriguez for Atlantic records in New York. Tom is uncredited on the label but look in the run-out matrix and you'll see the giveaway hieroglyphic TM/JR.
His other best disco recording was his cover of Celi Bee's "Superman" theme - it's even better than the original and peaked at #26 in the US Billboard charts. For this album, Herbie worked with New York disco producer Patrick Adams and together they wrote the original jazz-funk classic "Etagui", which was so popular it became the b-side of the 12" of "Superman".
Waterbed / (same) (Atlantic 12" DSKO 58, 1975) Bird in a silver cage /
The piper (Atlantic 12" DSKO 88, 1976) Superman / Etagui (Atlantic 12"
DSKO 142, 1978) Superman / Etagui (Atlantic 12" DK 4708, 1978) - commercial
release Jisco dazz / Body oil (Atlantic 12" DSKO 172, 1978)