British pianist Paul Barton was seen playing piano for sick, abused, retired and rescued elephants in a Thai sanctuary near Thailand-Myanmar border on December 9, 2018. /VCG Photo

Since 2011, Paul has been playing piano for elephants as a volunteer. He believes that music helps rehabilitate animals who have lived under stress. /VCG Photo

His playlist includes works by Debussy, Chopin, Bach and Beethoven. According to Paul, each elephant has different tastes. /VCG Photo

The pianist keeps a vlog of his performance of classical music for elephants on his YouTube channel, writing down his audience's names and their conditions under videos. /VCG Photo

A comment under one of his videos goes, "What a beautiful thing to do for an unfortunate animal friend." /VCG Photo