This issue of Guitar World Magazine from May 2009 features in-depth articles and interviews with legendary guitarists like Steve Vai, Derek Trucks, and Lamb of God's Mark Vanzandt. The magazine is a physical format and is published monthly by Guitar World & Harris Publications in the United States. It is illustrated and covers a range of topics related to music, including genres, publishers, and topics. The ISSN is 1045-6295, and it is written in English. This magazine is a must-have for music enthusiasts and professionals alike who want to stay updated on the latest trends and developments in the music industry.