ABCOn Monday night's Jimmy Kimmel Live!, the host continued his "Mash Up Mondays" performance series with REO Speedwagon and Imagine Dragons performing as REO Imagine Speedragons.
Imagine Dragons frontman Dan Reynolds, had previously commented that "REO Imagine Speedragons was destined to happen since the day Zeus thrust his mighty bolt to the earth."
The super-group ended Monday night's show with a rendition of REO Speedwagon's "Roll With The Changes."
Previous "Mash Up Monday" bands have included Wee-Z Top -- that's ZZ Top and Weezer -- Morris Day and the HAIM, which paired up funk great Morris Day plus the band HAIM. Smooth-jazz sax player Kenny G and rapper Warren G also joined forces for a Kimmel performance.
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