"Itsy Bitsy Teenie Weenie Yellow Polkadot Bikini" was written by Paul Vance and Lee Pockriss and first released in June 1960 by Brian Hyland with orchestra conducted by John Dixon. BRIAN WAS A HIGH SCHOOL SOPHOMORE WHEN HE RECORDED THIS!  Hyland's version hit #1 on the Billboard Hot 100 on August 8, 1960 and also made the top 10 in other countries, including #8 on the UK Singles Chart and #1 in New Zealand.