Complex sentence: In 1959 the Glaswegian Lulu had a hit with her annoying song'Shout' (originally by the Isley Brothers), and she went on to appear on Top of the Pops every decade till the 1990s.
Split into simpler sentences: In 1959 the Glaswegian Lulu had a hit with her a cover of the Isley Brothers' song "Shout". She went on to appear on Top of the Pops every decade till the 1990s.