The performance will feature singer Bo Bice of American Idol fame.
Watch Blood, Sweat and Tears performing "Surreptitious" below.
The band, which recreates set lists from the Dead's concerts, has toured to great success over the past 15 years.
In the mood for some rocking holiday music?
The performance will feature Kirchen's 1960s band mate Commander Cody.
Downing's self-described "unapologetic, unabashed romantic music" is undoubtedly smooth and soulful.
Check out a classic performance of "Wishing On a Star" below:
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