Conversation so far:
Who is Ted Gardestad?
Ted Arnbjörn Gärdestad was a Swedish singer, songwriter, musician and actor known internationally as Ted.
Were there rumours about an assassination revolving around Ted Gärdestad?
Gärdestad was wrongly mentioned in the Swedish media as the 33-year-old, a suspect in the investigation of the assassination.
What happened to Ted Gärdestad after those rumors?
A few years later, Ted Gärdestad was again the subject of rumours accusing him of being Lasermannen, a bank robber and serial killer.
Was Ted Gärdestad arrested?
No.
What else can you tell me about the Palme assassination?
February 28, 1986, Olof Palme walked home from a cinema with his wife Lisbet in the central Stockholm street Sveavägen when he was shot in the back at close range.
Did the rumours hurt Ted Gärdestad's musical career?
The rumours affected the sensitive and already unstable former star, and Ted Gärdestad withdrew and fell into a deep depression.
Did Ted Gärdestad do more music after that?
In the early 1990s, Ted Gärdestad was briefly coaxed out of retirement by his friend and fellow Swedish pop singer Harpo.
How was the duet bewtween Ted Gärdestad and Harpo received?
The duet garnered little attention but marked Ted Gärdestad return to music.
What music did Ted Gärdestad do after his return duet?
In 1993, a compilation album titled Kalendarium 1972–93 was promoted by a tour in the Swedish folkparks.

Question: What else can you tell me about his career?
Self-contained rewrite: What else can you tell me about Ted Gärdestad's career?