Over One Million Spotify Streams
Cold Blooded
Mac OBrien unveils the second single from her debut album under her new moniker, set for release on October 24th. Titled Cold Blooded, the track was co-written in Nashville by OBrien, acclaimed producer Brett Boyett (Travis Tritt, Lauren Alaina, Trisha Yearwood) , and Los Angeles-based artist Will Champlin. The song showcases a rich blend of musical talent, featuring banjo virtuoso Ilya Toshinsky and Rascal Flatts’ Jay DeMarcus on bass, alongside a lineup of distinguished Nashville session musicians.
Vocals are shared by Champlin and OBrien, delivering a compelling narrative about two individuals irresistibly drawn to one another despite the toxic nature of their relationship. Cold Blooded follows the August release of Heavy Chains, the album’s lead single, which introduced OBrien’s bold new artistic direction—a fusion of rock and country marked by gritty guitar work and emotionally raw lyrics.
Photo Credit: Allen Clark
Mac Obrien Opening for Scotty McCreery
Mac OBrien Signs With TSP Creative Nashville
Nashville, TN – May 9, 2025 – Country Alternative Rock artist Mac OBrien has signed an Artist and Brand Advancement deal with TSP Creative Nashville, a firm known for guiding artists through touring, sponsorships, Brand development and career-defining opportunities.
TSP’s roster includes Riley Green, Coldplay, Post Malone, The Lumineers, and Alice Cooper, and the company has worked with major labels such as Black River Entertainment. Black River CEO Gordon Kerr called TSP part of his “go-to team of excellence,” while American Idol creator Simon Lythgoe praised them as “a dedicated creative architect in the entertainment field.”
OBrien marked her first day with TSP by attending a red-carpet event at RCA Studios on Music Row. The partnership will support her in touring, stage readiness, sponsorship deals, and sync placements.
“I’m thrilled to join such an incredibly talented team and can’t wait to explore new directions in and outside of Music City,” said OBrien.
Mac and The TSP Team
Red Carpet Event at RCA Studios with Julie Moran
A Few Photos From the 2025 Season
Headline 4th of July
Headline Summerfest
Meeting fans Libertyville Show
Red Rock Saloon Milwaukee
TSP Photo Shoot Nashville
Joes Live Rosemont Illinois
Whiskey Jacks Madison Capacity
Headline Nashwood Fest
Hard rock Casino Indiana
A Few Photos From The 2024 Season
On Stage at Joes Live Rosemont
Libertyville Concert On the Water
Headlining the 4th of July Fest!
Name in Lights with Chris Cagle
Advertisement for Pam Tillis Show
Rockin' Nashville North Milwaukee
Packed House Madison Wisconsin
Show w/Bryce Voice Season 22 Winner
Headlining Festival of the Vine
Antioch, Illinois Opening for Country Great Rodney Atkins
About Mac OBrien Artist and Songwriter
From dive bars to headlining festivals across five Midwestern states, Country Rock Artist, Mac O'Brien’s journey has been one of steady, hard-earned growth. Recognized early on as a gifted teen songwriter by Nashville's "Up and Comer" program and Merf Music Nashville, she quickly began collaborating with top writers from across the country. Mac has taken the stage at major events like Country Thunder and Summerfest, opening for icons such as LoneStar and Rodney Atkins, as well as rising stars like Parker McCollum and Jordan Davis. Mac channels a raw, rock-infused sound born from frustration and the human struggle!
Joe's on Weed Chicago Opening for Parker McCollum
Country Thunder Festival Twin Lakes, Wisconsin
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Opening for Chris Janson & Jordan Davis at The Now Center / Drive In Concert
Opening for Other Country Greats and Upcoming Country Stars
Mac w/ Kylie Morgan
Mac w/ LoneStar
Mac with Ryan Hurd
