Train of Thought (A-ha song) interspersed with live parts with a-ha filmed during a break in the band's tour. Train of Thought (A-ha song) "Train of Thought" is a song by Norwegian band a-ha. It was released as the fourth single from the "Hunting High and Low" album. The lyrics for this song were based on the existentialist authors and poets Gunvor Hofmo, Knut Hamsun and Fyodor Dostoevsky - Pål's favourites at the time. It was a-ha's third consecutive top ten single in the UK, reaching No. 8. It was not a pop hit in the United States, but a 12" single featuring a remix
High–low system High-Low Principle, but with a twist on the original design. The GP-25 40-mm grenade launcher fits under the assault rifle and fires a caseless projectile that is muzzle-loaded. Instead of having a case, the high-pressure chamber is located on the rear of the projectile with ten vent holes, in which the launcher barrel acts as the low-pressure chamber. The ignition of the propellant gases also causes the drive band to engage the launcher grooves, similar to the American Civil War Parrott muzzle loading rifled cannon. While little documentation exists, in the 1950s the Soviet Army developed 73-mm cannon for wheeled