About Jim Diamond (singer)
James Aaron Diamond (28 September 1951 – 8 October 2015) was a Scottish singer-songwriter, best known for his three top 5 hits: "I Won't Let You Down" (1982), as the lead singer of PhD; and his solo performances "I Should Have Known Better", a United Kingdom No. 1 in 1984, and "Hi Ho Silver", the theme song from Boon, which reached No. 5 on the UK singles chart in 1986. == Early life and career == Diamond was born in the Bridgeton area in the East End of Glasgow in 1951. He started his music career at the age of 15 with Tony Diver's band, The Method. When aged 16, he also fronted a Glasgow band called Jade. That line-up included bassist Chris Glen who went on to play with the Sensational Alex Harvey Band, and Jim Lacey on lead guitar who later went on to join the Alan Bown Set. Jade played many pub, club and university gigs in London in 1969, playing at Brunel University, West London College in Cricklewood, The Pied Bull in Islington, West Hampstead Country Club, another college in Virginia Water and many more in 1969. They also supported The Move on their Scottish tour with The Stoics in the same year. Alexis Korner then discovered Diamond, who spent the next couple of years as part of Korner's band.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.