Ever the philanthropist, the accomplished guitarist and pianist has also utilized her star power to back organizations like AIDS research foundation Red Hot and supported tsunami relief efforts. The Canadian performer may perhaps be best known for lending her voice and music to commecials for animal-welfare group ASPCA. Beyond her charitable work, McLachlan has released over a dozen live and studio albums, including last year's Laws of Illusion, showcasing the varying range of her classically trained voice. This show is all-ages, and tickets are $28.50-$80.50. Doors open at 8 p.m.