Phra Chenduriyang (Piti Vādyakara) (Thai: พระเจนดุริยางค์ (ปิติ วาทยะกร), RTGS: Piti Wathayakon; born as Peter Feit, (July 13, 1883 – December 25, 1968) was a Thai composer, conductor, music professor, collector and arranger. He was the son of a German American immigrant, Jacob Feit, and a Mon mother. However, he never left Thailand and identified himself solely as Thai. He composed the Thai National Anthem. Phra Cheduriyang died of heart failure in Bangkok on 25 December 1968, at the age of 85. He had six children and 20 grandchildren.