On June 26 1992, Mariah Carey scored her sixth US No.1 single with ‘I’ll Be There’, a No.2 hit in the UK. The song was also a US No.1 for The Jackson Five in 1970.

On June 23rd 1990, Elton John had his first UK solo No.1 single with ‘Sacrifice / Healing Hands’ after achieving over 50 previous UK hits and 6 chart toppers in the US. “Sacrifice” was written by John and Bernie Taupin, from John’s 22nd studio album, Sleeping with the Past (1989). It was first released in October 1989 as the second single from the album. 

On April 28 1979, Blondie‘s ‘Heart Of Glass’ was at No.1 on the US chart, the first of their four chart-toppers in the US. Taken from the band’s third studio album, Parallel Lines,  Debbie Harry and Chris Stein wrote an early version of ‘Heart of Glass’, called ‘Once I Had a Love’, in 1974–75. This original version was inspired by The Hues Corporation’s hit disco song ‘Rock the Boat’.