![]() Collections by themselves do not imply a tonal center. Imagine a collection as a source from which a composer can draw musical material - a kind of “soup” within which pitch-classes float freely. When characterizing many of these new musical resources, the word “collection” is often more appropriate than “scale.” A collection is a group of notes - usually five or more. Others - such as octatonic, whole-tone, and acoustic collections/scales - are more novel, and usually (but not always) found in twentieth- and twenty-first-century compositions. Some of these scales, like the various diatonic modes and the pentatonic collection, are relatively familiar to most listeners. Stravinsky likes these! They have the potential to sound really spooky and weirdįolk, pop, classical, and modern composers often organize pitch materials using scales other than major and minor.Just like the hexatonic and whole tone scales, you can start on any pitch within the collections to get a different scale Start on one note and alternate between half and whole steps (for a HW octatonic) or between whole and half steps (for a WH octatonic).Happen either half-whole (HW) or whole-half (WH).Ocatonic (also called a diminished scale) We always label these scales in ascending form!! You might be asked to build a descending one of these, so make sure the interval pattern is correct.Starting on one followed by a minor third, you start a 3+1 hexatonic scale Starting on a note that is followed by a half step, you start a 1+3 hexatonic scale. As an example, though, each collection can be used for either scale.These scales have 4 unique collections which you can look at in the textbook because I don’t want to write them all out here sorry.The 3 actually means three half steps, but it may be easier to think of it as a minor third instead.3+1 trades off between a minor third and a half step between each note, and 1+3 trades off between a half step and a minor third between each note Pretty common in music because composers like to do cool and fancy stuff with them.For example, with the first whole tone collection (C D E F# G# A#), it is made up of the two augmented triads C E G# and D F# A# Another way to think of these is as two interlocking augmented triads.Whole tone scale don’t have a standard mode of notation but will always have a diminished third somewhere.This gives it its characteristic off-kilter feeling There’s no possible center to a whole tone scale because there are six notes in it and they are all a whole step apart. ![]() You can start on any of the notes within these collections, but the cycle of the two will be the same There are only two unique whole tone collections: C D E F# G# A# and Db Eb F G A B.
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