Jukebox folder includes several data files. These files can be opened by note pad. These files includes information that determines notes of melody line and chord progression. NOTE.DB and the files that have similar name  includes information that determines notes of melody line. For example NOATE.DBA has information of Andes Music. PATTERN.DB and PATTERN.DB2 have information for chord progression. PATTERN.DB is for major key and PATTERN.DB2 is for minor key. TIMECHAT.DB and TIMECHAT.DB2 have information that determines length of chord block. (Typically, the  length of chord block is 4th note X 4 times.) RESOLUT.DB and RESTIME.DB includes information for the Bridge part.

The first line is not used. From the second line, 4 characters of chord name and probability of C,C#,D, ... B of each note are written. The first character of 4 character chord name is root note of the chord. The second character is third note. The third character is fifth note. The fourth character is seventh note. For example, CMPS is C major 7 (CM7). CmPs is  C minor 7 (Cm7). CMPs is C7, CmPS is C minor major7. As dMPs, if the first character is small case, it means Db.

Chord name of NOTE.DB is written as pair, and probability is written after those names.