SAMMY HAGAR The Red Rocker marks a milestone with an album full of famous friends   In 1973, Sammy Hagar recorded one of the great rock screams of all time on the intro of Montrose’s “Rock Candy.” It was only the first of many howls to come from a 26-year-old kid who would go on to a singular career that included hit records as a solo artist and as frontman for bands like Van Halen and Chickenfoot. Four decades later there’s no end in sight—and... 

REC ROOM An insider’s guide to creating a home studio that’s right for you    Not so long ago, recording in a studio was a pricey ordeal. A musician or band had to select a studio, ensure it had a quality engineer—and because the meter was running, hope to capture the necessary tracks without breaking the bank. Enter the digital age: Now nearly anyone can set up a quality studio right in his or her home. Sure, there’s gear to acquire,...