In 1962, Williams joined
The Violents, a Swedish band that was formed in 1959 influenced by the English instrumental guitar group
The Shadows. The band had a number of line-up changes. But when Williams joined in 1962, he became frontman and the lead singer of the band. In 1962, Williams and the Violents released a version of "
Darling Nelly Grey" as a single, which became a major hit in Sweden. The Violents folded in 1966. A single was released on Laurie Records #3339 in 1965 "The Wanderer" b/w "Runaround Sue", both hits for Dion in the U.S. a few years before. In the 1960s, Williams recorded a track with English record producer
Joe Meek. The track was called "The Wonder Of Your Love". It was never released and was found amongst Meek's tapes when he died. It can be heard on YouTube. Williams' music style was soul-influenced by the end of the 1960s, and the song "Keep On" became a hit in Sweden in 1969. He returned to
rock and roll-based music in the early 1970s and performed with the band Roadwork until the early 1980s. During the 1970s, he also toured with the band The Telstars. In 1983, Williams made his debut as an actor in the film
G – som i gemenskap. He also acted in the musical "
Cats. During this time, Williams also had the stage show act "Live på Börsen" at
Hamburger Börs in Stockholm. As well as "Ringside" at Scalateatern in 2005, and Lorensbergsteatern in Gothenburg in 2006. In the
Eurovision Song Contest of 1989, he was a part of the choir for the song "
En dag" which was performed by
Tommy Nilsson representing
Sweden. In 1986, he lost almost 2.9 million (SEK), reportedly as a result of mismanagement of funds by his financial advisor. Williams was a host for
Sommar i P1 on
Sveriges Radio on 5 August 2009. In 2010, an art project featuring his work was exhibited at
Göteborgs Konsthall in Gothenburg. In 2009 and 2010 he had the show
Dynamite at Rondo in Gothenburg and Tyrol in Stockholm. He performed on the popular TV show
Allsång på Skansen on several occasions. On 17 January 2013, Williams premiered his farewell tour
Jerry – The Farewell Show at
Cirkus in Stockholm. Over 100,000 tickets were sold for the entire pan-Sweden tour for most of 2013. Also in 2013, Williams co-operated with opera singer
Malena Ernman on the latter's album
I decembertid. He sang "Counting Miracles", the opening track of the album as a duet with Ernman. The song charted at
Svensktoppen, and placed as number one on 6 April 2014. == Language ==