1592953372000 1312632483000 term-47504 1616541072996 1312632541000 1616290375569 adlib fitz-online adlib-term-47504 2e01ce79-6f7c-318f-acc0-44de181fc4a4 2 1 scope note Mechanisms built into some keyboard instruments, such as organs, reed organs, and harpsichords, to vary the volume of tone. reference term-45389 adlib-term-45389 bced15b7-fb02-35fe-9496-d9cb86e0cb58 swell V.PJ.AFU.ALO.CRG.ARI.ARI.AFU 1 code V.PJ.AFU.ALO.CRG.ARI.ARI.AFU 1 swells reference term-47505 adlib-term-47505 1bc3e241-609a-353a-b724-9ee8753a5a40 <swells and swell components> swells term