sentences:  Musical technique is often related to physical memory, such as correct position and stopping on a string instrument, positioning of the trombone slide, memorizing guitar chords' and piano chords' fingering, and the proper position and shape of one's mouth for brass and woodwind instruments.Heinrich Schenker argued that musical technique's "most striking and distinctive characteristic" is repetition.Works known as études (meaning "study") are also frequently used for the improvement of technique.