The earliest example of tone clusters in a Western music composition thus far identified is in the Allegro movement of Heinrich Biber's "Battalia à 10" (1673) for string ensemble, which calls for several diatonic clusters. An orchestral diatonic cluster, containing all the notes of the harmonic minor scale, occurs also in the representation of chaos in the opening of Jean-Féry Rebel's 1737–38 ballet "Les Élémens". ]From the next century-and-a-half, a few more examples have been identified, mostly no more than a fleeting instance of the form, for example in the concluding two bars of the “Loure” from J.S.Bach’s French Suite No.5, BWV816: