How to apply different voicings over a chord progression   Sometimes you have to spread the notes of a chord progression in a very specific way, specially in the case of sectional writing as in the big bands, for example, where specific voicings are used, commonly named as drop2, drop3, etc.   All the voicings are based in the initial closed position:   - DROP2 is obtained by dropping the 2nd voice an octave below, as shown below:     - DROP3 is