![](https://magnetmagazine.com/wp-content/uploads/2022/03/Greg-1024x737.png)
Happy 75th birthday Greg Calbi (Sterling Sound). Thanks for hundreds of life-changing records. (MAGNET readers: You probably don’t know who Greg is, but he’s mastered many of your favorite albums from the past 50 years, from Alabama Shakes to Warren Zevon.