Friend of HV, Gregg MvVicar, hosts the 1000th edition of his daily radio UnderCurrents: American Music With A Passport. This Saturday he spins the show’s top 75 tunes since UnderCurrents started flowing in 2005, selections of “Rock, Blues, Folk, Native, Country, Funk, Electronica, Reggae, World, Conscious Hip Hop, Dub and more.”