No and yes!
Sandie was once backed by 'The Paramounts' in 1966 and after they split a couple of them formed Procol Harum only later to be joined by other members of the Paramounts such that they became the same line-up once more.
Hence no & yes.
The group Procol Harum was named after a cat. Some people think the name is Latin and means 'beyond these things' but that is not correct. Procol Harum has no meaning
Procol Harum
The British rock group Procol Harum was formed in 1967, though the individual members had played together in various groups under different names since 1964. Procol Harum is likely best known for their 1967 hit single "A Whiter Shade of Pale".
the backing group were called "Legend"
The Pips
A backing band is a group of musicians who accompany an artist on a performance or recording - either comprising an established group, or an ad hoc collection of musicians.
Kid Creole
The 'pips'.
Wayne fontana
Buddy Holly
They were known as The Pips.
The single 'I shot the Sheriff' was recorded in 1973... by Bob Marley - his backing group are called the Wailers.