Saxboy Billy piano sheet music of popular songs

Saxboy Billy (real name William Stiteler) is an American internet comedian and blogger who rose to international fame thanks to his viral track "The Puerto Rico Song" (also known by the line "First Time in San Juan"), created using artificial intelligence. The song explores the comical and absurd expectations of a tourist arriving in San Juan for the first time. The music and vocals were generated by the Suno AI neural network, and William himself wrote the lyrics. The track became a major trend on TikTok and Instagram in the spring of 2026, with users widely using it as a soundtrack for their vacation and travel videos.