(Redirected from Somatoform disorder). A somatic symptom disorder, formerly known as a somatoform disorder, is a category of mental disorder included in a number of diagnostic schemes of mental illness, including the DSM-5.
Piano uses all 10 fingers, and harp only uses 8. On piano, you have to understand more theory about when to use the black keys than you do on harp, which uses levers or pedals that often donât change through an entire song. Both instruments require you to use two hands to play two sets of notes.
â¢ Harp. The harp is surprisingly easy to start. There are piano students who learn to play the harp with little difficulty because both instruments require reading music pieces in double-stave. Harps come in small sizes for kids age 8 years upwards and bigger harps for students 12 years and older.