Brazil's Wikimetal podcast recently conducted an interview with guitarist John Petrucci of progressive metal giants DREAM THEATER. You can listen to the chat using the SoundCloud player below.DREAM THEATER's August 19 and August 20 concerts at Estadio Luna Park in Buenos Aires, Argentina were professionally filmed and recorded for the band's next live DVD, to be released sometime next year. DREAM THEATER is touring behind its 11th studio album, "A Dramatic Turn Of Events", which had 14 Top 10 debuts around the world. It also produced the band's first-ever Grammy nomination for "On The Backs Of Angels" in the "Best Hard Rock/Metal Performance" category. "A Dramatic Turn Of Events", sold 36,000 copies in the United States in its first week of release to enter The Billboard 200 chart at position No. 8. The band's previous CD, 2009's "Black Clouds & Silver Linings", opened with 40,000 units to land at No. 6. This was roughly in line with the first-week tally registered by its predecessor, "Systematic Chaos", which shifted 36,000 copies in 2007 to enter the chart at No. 19. 2005's "Octavarium" premiered with 27,000 copies to debut at No. 36.