Grumpy Old Geeks Topics Green Day and the music industry Topic Green Day and the music industry 3 mentions in 1 episode The hosts discuss seeing and working with Green Day and recall their time in the music industry. Mentions 416: Helicopter Mode Feb 23, 2020 2:37 So I get a story about Green Day. 5:42 you had the gig of doing Green Day's website 10:51 I worked with those guys for a period of about two to two and a half, maybe three years total.