Duffy promises to show audiences “Mercy,” Janet Jackson fills out her autumn tour and the Mars Volta plan a prog-tastic September. Full dates for all three tours are lovingly located after the jump.

Janet Jackson
September 10 – Vancouver, BC @ General Motors Place
September 13 – Oakland, CA @ Oracle Arena
September 19 – Las Vegas, NV @ Mandalay Bay Events Center
September 20 – San Diego, CA @ San Diego Sports Arena
September 25 – Rosemont, IL @ Allstate Arena
September 27 – Auburn Hills, MI @ The Palace Of Auburn Hills
September 28 – Toronto, ON @ Air Canada Centre
September 29 – Montreal, QC @ Bell Centre
October 1 – Boston, MA @ TD Banknorth Garden
October 2 – Philadelphia, PA @ The Wachovia Center
October 4 – Greensboro, NC @ Greensboro Coliseum
October 5 – Atlanta, GA @ Philips Arena
October 7 – Sunrise, FL @ BankAtlantic Center
October 15 – Washington, DC @ Verizon Center
October 17 – East Rutherford, NJ @ Izod Center
October 21 – Houston, TX @ Toyota Center
October 22 – Dallas, TX @ American Airlines Center

Duffy
July 31 – Minneapolis, MN @ First Avenue
August 1 – Chicago, IL @ Lollapalooza
August 2 – Toronto, ON @ Phoenix Theatre
August 4 – Montreal, QC @ Osheaga Fest
August 5 – Boston, MA @ Wilbur Theatre
August 6 – Philadelphia, PA @ The Fillmore (TLA)
August 8 – Jersey City, NJ @ APW Festival

The Mars Volta
September 12 – Columbus, OH @ LC Amphitheatre
September 14 – Boston, MA @ Orpheum Theatre
September 17 – New York, NY @ Hammerstein Ballroom
September 20 – Philadelphia, PA @ Electric Factory
September 23 – Asheville, NC @ Asheville Civic Centre
September 24 – Atlanta, GA @ Tabernacle
September 26 – Austin, TX @ Austin City Limits Festival