Scores of analog monosynths have come and gone since the early ’70s. Most beloved is probably the Minimoog. Perhaps the most prevalent is the unpretentious but cool little Roland SH-101. Approximate production figures for a handful of vintage monosynths: 12,000 Minimoogs (America’s all-time best-seller), 10,000 Sequential Circuits Pro-Ones, 4,000 ARP Odysseys, and a whopping 25,000 Korg MS-20s. How many SH-101s? 31,000.