Like Valli in the article it’s perhaps more amazing who has had multiple decade success. In the UK Cliff Richard has topped the charts in every decade since the 1950’s
> He holds the record, with Presley, as the only act to make the UK singles charts in all of its first six decades (1950s–2000s). He has achieved 14 UK No. 1 singles, and is the only singer to have had a No. 1 single in the UK in each of five consecutive decades
https://en.m.wikipedia.org/wiki/Cliff_Richard
> He holds the record, with Presley, as the only act to make the UK singles charts in all of its first six decades (1950s–2000s). He has achieved 14 UK No. 1 singles, and is the only singer to have had a No. 1 single in the UK in each of five consecutive decades