Music: Be a Composer

Machines to play music have long been accepted, but now there is a machine to compose music—of a sort. Called the Compos-A-Tune, it is a cinch to operate for anyone with elementary knowledge of musical notation.

The Compos-A-Tune ($3) is an 18 in. by 7 in. cardboard rectangle with 16 twirlable dials arranged in two rows. On the upper eight dials the operator sets any rhythm scheme desired (from countless possible combinations) for the first eight bars of a tune. By twirling the bottom eight dials, and following the directions on them, he then discovers a suitable harmonic progression for the eight...

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