Bone Thugs in Harmony "Tha Crossroads" has been my test track for many years. I think the many variences in the various male singing parts is excellent for cali

Bone Thugs in Harmony "Tha Crossroads" has been my test track for many years. I think the many variences in the various male singing parts is excellent for calibration, as I rarely ever listen to bands with female singers. Plus, the backing track is quite variable as well.