well it depends on the therapy it might clam some people with some slow songs but fast songs will just get them hyped up and angry
Gustav Holst 4 Songs, for soprano (or tenor) and violin, Op.35, H.132 and Bach arias for soprano and violin
One can learn some easy guitar songs from many different places. Some websites that offer easy guitar songs to learn include Youtube and Guitar Habits.
Some common guitar chords used in playing songs are G, C, D, E, A, and Am.
Some popular websites where you can find classic guitar tablature for songs include Ultimate Guitar, Songsterr, and Guitar Pro.
Jinxx
Some popular songs that feature violin chords include "Smooth Criminal" by Michael Jackson, "Eleanor Rigby" by The Beatles, and "Bittersweet Symphony" by The Verve.
Some songs that a prodigy should play on the violin include Chaconne and No. 1 Andante. These are all intricate pieces that any expert would enjoy performing.
Flute, harmonica, guitar,and violin is some of them.
Some common instruments with strings are the guitar, violin, cello, and bass.
There are many singers famous for singing slow songs. Mariah Carey and Celine Dion have had many successful slow songs and Whitney Houston had some very successful slow songs.
If you are looking for a good place to learn some songs on your guitar, then i would recommend this sight http://www.freeandeasyguitar.com