Sonar Management was formed in 2005 as a division of Kirtland Records, to establish the 360 degree business model of label, management and promotion to meet the needs of today's changing music marketplace. Sonar Management is headed by industry veterans Dale Brock and Tami Thomsen who bring a combined 29 years of music industry experience to Sonar.

We have a firm commitment to the quality of our artists. We work closely with them to navigate the choppy waters of the music industry. Our goal is to advance all aspects of their career - touring, recording, promotion, publicity, marketing, merchandising and more.


Dale Brock { email } comes to Sonar from RainMaker Artists where he started as Director of Touring and left as a Managing Partner. During his time there, Dale worked on seven major label releases and several independent releases. Music has always been a part of his life. Before finding his place as an artist manager, he has worn many hats in the music industry - talent buyer, booking agent, promoter, music director for festivals, tour manager, sound tech, venue manager, club owner and artist.

Tami Thomsen { email } was co-founder of Dallas based Last Beat Record Store, Last Beat Recording Studios and Record Label. She has worked in many areas of the music industry from retail to recording studio with extensive label experience in the areas of publicity, booking, marketing, management, A&R and Artist Development. Many bands that Tami signed while at Last Beat went on to major deals with labels such as Geffen, Mercury, Universal, Warner Brothers etc. Music has always been major influence in Tami's life, starting with the day she skipped her high school graduation to see the CLASH!