jam session

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jam session

Slang an unrehearsed or improvised jazz or rock performance
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Lamar, Lil Wayne and Meek Mill helped the famed Summer Jam music event to celebrate its 25th anniversary with jam-packed performances.
"Lyor [Cohen, co-president of Island Def Jam Music Group from 1998-2004] said if I could do another album in 30 days, I'd get a million-dollar bonus.
Events include the Salmon Jam music festival, Taste of Cordova salmon cook-off, a local arts and crafts fair, live music, various runs/walks, a salmon barbeque, and activities for children.
Two guests were also lucky winners of Summer Jam Music Festival camping tickets, donated by Dirty Boy Inc.
Located at the picturesque Snow Ridge Ski Resort in upstate New York only four hours from the City, and hosted by the band Moe; it's a bouncy mix of jam music and good old fashioned family fun.
They danced to his anthem Gangnam Style and to her jam Music in front of nearly 20,000 fans.
Listen to the Warehouse Jam music at Olive at the Qutub, Mehrauli on August 24
His dance-mix compilation album Total Club Hits 4, released by Thrive/Island Def Jam Music Group in early 2010, debuted at number 25 on Billboard's Top 200.
The pop star's record label boss, Steve Bartels of Island Def Jam Music Group, believes the 'Never Say Never' hitmaker's latest song is "more vocally assertive" and he can see teenaged singer's fan base growing and appealing to more boys as well as girls as a result of the song's musical change of direction.
At the age of 15 the Londoner was signed to the Island Def Jam Music Group by L.A.
The 57-year-old Group President of Maple Jam Music suffered multiple fractures to the ribs and chest, serious head injuries and fractures to the skull after falling five metres down a gap between the stands and the pitch at the GSP Stadium in Nicosia, just before the start of Cypriot-born Vissi's concert.