Roots of The Hollies

A1 is a British–Norwegian boy group formed in 1998.

Murray Seafield St George Head is an English actor and singer. Head has appeared in a number of films, including a starring role as the character Bob Elkin in the BAFTA award-winning and Oscar-nominated 1971 film Sunday Bloody Sunday. As a musician, he is most recognised for his international hit songs "Superstar" and "One Night in Bangkok". He has been involved in several projects since the 1960s and continues to record music, perform concerts, and make appearances on television either as himself or as a character actor.

Mud was an English glam rock band, formed in February 1966. Their earlier success came in a pop and then glam rock style, whilst later hits were influenced by 1950s rock and roll and rockabilly, and they are best remembered for their hit singles "Dyna-mite", "Tiger Feet", which was the UK's best-selling single of 1974, and "Lonely This Christmas" which reached Christmas number 1 in December 1974. After signing to Rak Records and teaming up with songwriters/producers Nicky Chinn and Mike Chapman, the band had fourteen UK Top 20 hits between 1973 and 1976, including three number ones.

Terrance James Reid, who was nicknamed Superlungs, was an English musician, songwriter and guitarist, best known for his emotive style of singing in appearances with high-profile musicians as vocalist, supporting act and session musician. As a solo recording and touring artist he released six studio albums and four live albums. Described as an "artists' artist" by Rolling Stone, Reid was recognised by his contemporaries as an eminent talent in English rock music, both as a guitarist and a vocalist. Robert Plant praised his vocal "flexibility, power and control" and Graham Nash was quoted as saying he should have been "a gigantic star".

Doris Troy was an American R&B singer and songwriter, known to her fans as "Mama Soul". Her biggest hit was "Just One Look", a top 10 hit in 1963.

Parlophone Records Limited is a German-British record label founded in Germany in 1896 by the Carl Lindström Company as Parlophon. The British branch of the label was founded on 8 August 1923 as the Parlophone Company Limited, which developed a reputation in the 1920s as a jazz record label. On 5 October 1926, the Columbia Graphophone Company acquired Parlophone's business, name, logo, and release library, and merged with the Gramophone Company on 31 March 1931 to become Electric & Musical Industries Limited (EMI). George Martin joined Parlophone in 1950 as assistant to Oscar Preuss, the label manager, taking over as manager in 1955. Martin produced and released a mix of recordings, including by comedian Peter Sellers, pianist Mrs Mills, and teen idol Adam Faith.

Arthur Alexander was an American country-soul singer and songwriter. Jason Ankeny, music critic for AllMusic, said Alexander was a "country-soul pioneer" and that, though largely unknown, "his music is the stuff of genius, a poignant and deeply intimate body of work on par with the best of his contemporaries." Alexander's songs were covered by such stars as the Beatles, the Rolling Stones, Bob Dylan, Gerry and the Pacemakers, Otis Redding, Tina Turner, Pearl Jam, Rick Nelson and Jerry Lee Lewis.

Eric Norman Woolfson was a Scottish songwriter, lyricist, vocalist, executive producer, pianist, and co-creator of the band The Alan Parsons Project, who sold over 50 million albums worldwide. Woolfson also pursued a career in musical theatre.