https://zasm.earth Latest updates from ZASM. https://zasm.earth/korg-serials-later korg-serials-later Tue, 27 Jan 2026 00:32:03 +0000 Korg serial numbers for models introduced from c.1983–84 https://zasm.earth/korg-serials-model korg-serials-model Tue, 27 Jan 2026 00:31:52 +0000 Korg serial numbers for models introduced from c.1977–83 https://zasm.earth/korg-serials-early korg-serials-early Tue, 27 Jan 2026 00:31:40 +0000 Korg serial numbers for models introduced up to c.1977 https://zasm.earth/korg-ms20-serials-characteristics korg-ms20-serials-characteristics Sat, 24 Jan 2026 23:11:13 +0000 Trying to work out an MS-20 timescale if possible. https://zasm.earth/elex-serials elex-serials Mon, 19 Jan 2026 10:29:00 +0000 some notes about ELEX keyboards and their serial numbers https://zasm.earth/korg-duplicate-sales korg-duplicate-sales Thu, 11 Dec 2025 13:24:10 +0000 An examination of some questionable practices in sales of old Korg synthesisers. https://zasm.earth/korg-serials korg-serials Thu, 02 Oct 2025 01:06:18 +0100 An attempt to get a handle on some issues regarding early Korg synthesisers, which unfortunately developed into an analysis of their serial number systems in use up to about 1984. https://zasm.earth/hipstrs hipstrs Wed, 06 Aug 2025 03:48:44 +0100 combing the tangle of Hohner electronic pianos and string machines https://zasm.earth/construction-notes construction-notes Sun, 30 Mar 2025 17:00:37 +0100 Technical notes relating to the construction of this site.  (Or, some things you learn when writing your own CMS.)