Assertion: electric organ's keyboard | /r/CapableOf | call combo organs
Facets:
Source sentences:
text: In some cases, Hammonds were used, while others featured very small all-electronic instruments, only slightly larger than a modern digital keyboard, called combo organs.
text: In some cases, Hammonds were used, while others featured very small all-electronic instruments, only slightly larger than a modern digital keyboard, called combo organs.