Jonas Brothers Twitter Teases Tour Rehearsal Photo Before Oct. 11 Kick-Off in Pennsylvania, 'First Time' Band to Play New Songs from 'V?' [PHOTO/FULL TOUR DATES]

The Jonas Brothers' new fall tour will kick off Oct. 11 in Upper Darby, Pennsylvania, so that means the "First Time" band are in rehearsals for the upcoming string of shows. Following Nick Jonas filming his guest spot on "Hawaii Five-0" and Joe Jonas' trip to Paris, the brotherly trio are back to work, as documented on Twitter.

Today (Oct. 4), the Jonas Brothers' official Twitter account teased a photo of the second day of the October tour rehearsals. In it, a large soundboard can be seen with brothers Nick, Joe and Kevin playing various guitars in the background.

Day 2 of REHEARSALS!!!!! pic.twitter.com/pGChedb2JF

— Jonas Brothers (@JonasBrothers) October 4, 2013

Meanwhile, the three main band members have been notably quiet about the tour rehearsals on their respective Twitter and Instagram accounts.

The Jonas Brothers' October tour was initially announced in August, when Joe spilled the beans on Ryan Seacrest's radio show. In September, the group announced the full line-up of tour dates via their smartphone app. Interestingly, fans were allowed to pick what cities the Jonas Brothers would hit via the innovative technique.

Check out the Jonas Brothers' October tour dates below:

Oct. 11: Upper Darby, Pennsylvania, Tower Theater

Oct. 12: Montclair, New Jersey, Wellmont Theater

Oct. 13: Toms River, New Jersey, Pine Belt Arena

Oct. 15: Albany, New York, The Palace Theater

Oct. 16: Montreal, Quebec, Metropolis

Oct. 18: Boston, Massachusetts, Orpheum

Oct. 19: Hampton, New Hampshire, Hampton Beach Casino

Oct. 20: Westbury, New York, Theater at Westbury

Oct. 21: Silver Spring, Maryland, The Filmore

Oct. 23: New York, New York, Hammerstein Ballroom

Oct. 24: Columbus, Ohio, LC Pavillion

Oct. 25: Charleston, West Virginia, The Clay Center

Oct. 26: Greensburg, Pennsylvania, Palace Theater

Oct. 28: Milwaukee, Wisconsin, Riverside Theater

Oct. 30: St. Paul, Minnesota, Myth

Oct. 31: Kansas City, Missouri, Midland at AMC

Nov. 1: Denver, Colorado, Bellco Theater

Nov. 5: Vancouver, British Columbia, Orpheum Theater

Nov. 6: Seattle, Washington, Paramount Theatre

The Jonas Brothers will be touring ahead of their fifth studio album "V." The record has no official release date yet, and only a small variety of songs have been debuted from the album on their last tour. Fans, however, can likely expect new music from the Jonas Brothers in October.