This is a complete collection of scale exercises using the harmonic minor scale for the mariachi ensemble. Keys included are A, E, D, G, C and F Harmonic Minor. Violin, trumpet, armonía parts and director's score are included.The collection starts in the time signature of 4/4 followed by 3/4 and ends with scales in 2/4. Scales include rhythms in whole notes, half notes, dotted half notes, quarter notes, dotted quarter notes, eighth notes, dotted eighth notes, sixteenth notes, quarter notes, ei