June 2. "'Twas then when the Hurdy Gurdy Man / Came singing songs of love..." The original psychedelic troubadour comes back around to do just that, bringing along his whimsical epistles to dippy and electrical bananas as well. Born Donovan Leitch in Glasgow, Scotland, the Rock and Roll Hall of Famer began as a pure folk artist, initially hitting with 1965's Dylan pastiche "Catch the Wind." By 1966, however, he'd been energized by post-Pepper Swinging London and become the father of flower power. Donovan's Sunshine Superman 50th Anniversary Tour takes him to Tarrytown Music Hall for one night only. (Nick Lowe and Alejandro Escovedo meet June 16; Aimee Mann appears June 24.) 8pm. $58, $68, $78. Tarrytown. (914) 631-3390.