2291 multiArtist File Image (Raster) multiArtist is a PC (Windows) program for creating MultiGigaScreen graphics for the ZX Spectrum. It is likely that the four known file extensions (.mg1, .mg2, .mg4 and .mg8) relate to the attribute blocks (8x1, 8x2, 8x4, 8x8) in a given file. 180 The National Archives and Records Administration / The National Archives and Records Administration 16 Oct 2021 16 Oct 2021 fmt/1468 PUID mg1 File extension mg2 File extension mg4 File extension mg8 File extension 1834 multiArtist File (.mg1) BOF: 'MGH' then 0x01 (SOH or start of header) then 0x01 1 Absolute from BOF 0 0 4D47480101 1835 multiArtist File (.mg2) BOF: 'MGH' then 0x01 (SOH or start of header) then 0x02 1 Absolute from BOF 0 0 4D47480102 1836 multiArtist File (.mg4) BOF: 'MGH' then 0x01 (SOH or start of header) then 0x04 1 Absolute from BOF 0 0 4D47480104 1837 multiArtist File (.mg8) BOF: 'MGH' then 0x01 (SOH or start of header) then 0x08 1 Absolute from BOF 0 0 4D47480108 Has priority over 687 MPEG 1/2 Audio Layer 3