Home / Forums / Topic Tag: key size Topic Tag: key size Search for: Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Differences in key size (width and length) between melodica brands, models? Started by: James Beattie in: Buying a melodica 3 4 1 year, 4 months ago Alan Brinton Viewing topic 1 (of 1 total)