The first version was published in 1992 as a program named "Allegro", running under MS-DOS with its own graphical interface. Since the name was already taken, the name had to be changed - taking the name from the brightest star in the constellation Auriga, Capella. Only the original file name extension ALL was kept for the binary notation file format. The first real "capella" is version 1.01 dated 15 May 1992. Version 1.5 was the last MS-DOS Version, published in 1993.