There are two bands/artists named Playgroup

Playgroup is the pseudonym of electro producer and graphic designer Trevor Jackson. Jackson also ran the now defunct record label Output Recordings, as well as producing under the pseudonym 'Underdog', during the 1990's.

In 2001, he released the self‑titled first LP; here he brings diverse influences ranging from funk, disco, hip‑hop, electro, dub and many more, creating an album that relies heavily on the past, only to reshape it with such vigour that it nearly sounds too modern for its own good.
In 2004, he released the remix album «Reproduction»


Playgroup was also the name of a band on Adrian Sherwood's On U Sound imprint during the early 1980s. They released two lp's entitled Epic Sound Battles 1 (1982) and Epic Sound Battles 2 (1983). These were later reissued as a single CD. Playgroup is hard to classify, it has a relation to the dub‑based On‑U-Sound sound (and uses some of the same riddims), but is much broader than that, incorporating jazz, rock and funk, with even some steel drums. All of it is instrumental music.
This release has no relation to Trevor Jackson's output.