Harp - Level 3 - Digital Download SKU: A0.797471 Composed by Louise Trotter. 20th Century. Score. 7 pages. Afghan Press Music for the Harp #4855335. Published by Afghan Press Music for the Harp (A0.797471). Described as a glissando waltz, this is a wonderful, showy piece of music that works great as a solo or as a harp duet. The easy Harp II accompaniment is simple enough for beginners and is without the challenge of a glissando. The lever harp solo with the glissandos is sharp and snappy.