Singer Daniel Powter 'Memba Him?

Canadian singer-songwriter Daniel Powter was in his mid-30s when he and his go-to hat skyrocketed to fame -- topping the music charts for five weeks -- with his 2005 hit song "Bad Day."

Daniel wrote the hook of the bop while on a ferry ride between Vancouver and Victoria ... "Bad Day" was heavily used on the fifth season of "American Idol" -- with Powter singing the song live at the final show in 2006 ...

"Because you had a bad day, you're taking one down, You sing a sad sang to turn it around ..."