Dulcisono Women's Choir of Thunder Bay, Ontario, will be joined by Toronto harpist Andrew Chan and TBSO principal oboist Colleen Gibson in concert at 7:30 tonight (May 1) at St. Paul's United Church, Waverley Street.  Featured will be music of Imant Raminsh and Gustav Holst, plus favourites from Canada and the Isles.  Tickets $18 and $5 at the door.