[3] Kläfford began his music career performing for 10 years in small bars.

In 2017, Kläfford won the thirteenth season of the Swedish Idol series.

[4] Kläfford has a total of three top five singles on national radio in a year and more than 35 million streams, platinum sales and sold-out concerts.

In the summer of 2018, he embarked on a tour consisting of 50 shows in Sweden.

[6] Kläfford participated in the 14th series of America's Got Talent, broadcast in 2019, where his first song choice was John Lennon's "Imagine", which he also sang in the Idol finale.