There are at least three bands called Ohm, one from Stockholm, Sweden and another from South Africa and lastly Chris Poland's Ohm: from L.A california. Ohm: is a Chris Poland (a former member of Megadeth who has also worked with Lamb Of God) experimental jazz fusion project formed by Robertino Pagliari and himself. The band was formed in 2002 and has released 3 LPs and a live album up to date. It should be noted however, that ohm is incorrectly tagged on last.fm... the true title of Ohm: includes a colon, according to Chris Poland this is due to their constantly changing drummers.
Tribal Tech is a progressive fusion band, originally formed in 1984 by guitarist Scott Henderson and bass player Gary Willis. The band includes Scott Kinsey on keyboard and Kirk Covington on drums, and has produced nine CDs that stretch the borders between blues, jazz, and rock. The band is widely regarded for the prodigious talents of its individual members and for its importance to the modern fusion music scene, but has informally dissolved following the release of 2000's Rocket Science, with the various members pursuing solo careers.
Al Di Meola's highly celebrated career has spanned a wide range of emotions into a unique style embodying the artists world inspired influences. From the velocity and heat of his early solo efforts to the challenge and triumph of the "Di Meola / McLaughlin / De Lucia (Guitar Trio)", from the Brazilian explorations of "Cielo e Terra" and "Soaring Through A Dream" to the global romanticism and Tango inflection of Al's acoustic group "World Synfonia" (self titled debut) and the 2nd "World Sinfonia" recording Heart of the Immigrants.