Jack Johnson (photo: Joshua Huver) Despite having a reputation as one of the most laid-back musicians of the past fifteen years, Jack Johnson, the Hawaii-dwelling acoustic guitar wielding surf nut who can turn anything into a song, has also proven himself to be one of the hardest working. Across two days last week, Wednesday and Thursday, July 26 and 27, Johnson played a double-header at the Greek Theatre in Berkeley and demonstrated his abilities with set lists that featured nearly 30 songs on Wednesday and 33 on Thursday, including several guest appearances, covers, medleys, and stories in between. On Friday, things got started early with [...]