Dvorak, Piano Quartet No. 2 in E flat, Op. 87.
Listen to the opening (main) theme of the first movement. Then watch the credits of Russ Abbott, cheesy BBC sketch show from the late 80s. Don't know who wrote the music to that, but methinks they liked the Bohemian maestro...
Info about The Russ Abbott Show is hard to come by on a cursory glance, though Russ is still hard at work, but I'm sure you remember it if your British and watched any TV during the 80s. Basildon Bond? Bella Emberg? Several other things best consigned to cringeworthy history!?