Open Opus catalog
Open Opus composers by epoch
Open Opus classifies the composers in its catalog into historical epochs. This index lists the epochs holding at least one of the 201 Open Opus-only composers on this site — the composers Chord Barn holds no IMSLP-sourced score collection for — with the number of composers and cataloged works in each, from Open Opus’s own epoch field on each record.
Epochs
10 epochs · 201 composers · 19356 cataloged works · Data from Open Opus (openopus.org), released into the public domain (CC0) — fetched 2026-09-11.
Medieval4 composers · 157 works
Renaissance17 composers · 2331 works
Baroque17 composers · 2985 works
Classical8 composers · 1521 works
Early Romantic11 composers · 1053 works
Romantic31 composers · 2539 works
Late Romantic33 composers · 2616 works
20th Century49 composers · 4267 works
Post-War27 composers · 1774 works
21st Century4 composers · 113 works