Right now, the guys in hardscrabble New York garage rock crew the So So Glos are putting finishing touches to their third full-length, a yet-to-be-named offering that will most likely arrive in the spring 2012. We hope. Below, you’ll find “Lost Weekend,” a slice of power-pop so effortless and effervescent and well-executed, it doesn’t feel too crazy to suggest that it might have brothers and sisters just as irresistible.