Hard Rock n Roll, a solid back beat,
grooving bass lines, and the rhythm is tight.
Top it off with a screaming lead guitar-
Our songs are deep from the heart,
with hooks that keep bringing you back for more!

Located in central Iowa, United States, this group of seasoned musicians has come together to form Definite Instinct. With down to earth instinct for a good groove they love to share with the world. The 432 Hz tuning, gives our songs a feel of positive emotional vibration with every note we play!


Guitar/Vocals
Thad Jensen’s guitar playing is the signature sound of Definite Instinct, and is the sonic force of Definite Instinct. An extremely flavorful player, and he continues to push his playing in new directions. On stage, Thad is a busy man… in addition to his lead guitar duties, he also skillfully throws in Backing vocals as well. Thad is a gifted songwriter and a stellar singer. His aggressive, yet smooth vocal style has graced the texture of Definite Instinct favorites like, “GET BACK TO MY ROOTS” and “TO BE” His voice contrasts and complements the sharper-edged style of Brad’s lead vocals. Thad’s songwriting integrates, magnetic chord progressions, melodic textures and captivating lyrical ideas with the best parts of Grunge music.

Drums
Aaron Coil has been the drummer for Definite Instinct since the start. Aaron has been displaying his hard-hitting and precise drum work that propels and energizes Definite Instincts performances. on tracks like “FOR A BETTER LIFE”, “HOW CAN I FLY” and “STREETS OF BABYLON”. In the Studio Aarons meticulous foot work, Groovy Backbeats, and thunderous tom fills, brings the punch, and vigor to our songs as they are written.

Vocals
Lead vocalist Brad Jensen’s distinctive vocals are the personality and power that drives Definite Instincts hooky-melodic songs. Brad’s songwriting efforts comprise some of Definite Instinct’s best songs and melodies. Songs like “GUILT”, “LOOKIN EAST” and “WICKEDLUV” really bring out a real emotional connection for the listener.

Bass
Damon Ham. His talents caught the attention of guitarist Thad Jensen, at an early age, and led to him being hired for the “Recommended Dosage” project via 1998-2002. Damon’s hard hitting Bass runs are what give Definite Instinct the deep solid foundation these grunge songs can stand on. with songs like “COUNTERFEIT PEARLS”, “MY BRIGHT FUTURE” and “GUILT”, Damon brings that, IN-YOUR-FACE melodic drive that gratifies the role of the bass from support to front and center.