Wayback Wednesday: In 1971, Canadian rockers Five Man Electrical Band scored its biggest hit with “Signs”. The song, originally released as a B-side to a relatively unsuccessful single in 1970, soared on the music charts after it was reissued as the A-side of a single the following year. “Signs” was among the top five songs ion U.S. and Canadian charts that year and earned a gold record after selling more than one million copies. Les Emmerson, the band’s frontman, wrote the song as he was travel