Piston effect platforms with a single tunnel, however, air quality worsens when relying on the piston effect alone for ventilation. This still allows for potential energy savings by taking advantage of the piston effect rather than mechanical ventilation where possible. Tunnel boom is a loud boom sometimes generated by high-speed trains when they exit tunnels. These shock waves can disturb nearby residents and damage trains and nearby structures. The perception of this sound by humans is similar to that of a sonic boom from supersonic aircraft, but unlike a sonic boom, tunnel boom is not caused by trains exceeding the speed of
Twang Twang Shock-A-Boom every briefcase zipped up and closed and everyone sat up straight in their chairs. It was over. The band broke up not too soon after this failed audition, citing artistic differences and personality conflicts . David Garza was signed to Lava (Atlantic) Records in 1996. Lava Atlantic is a subsidiary of Warner Music Group. The group’s album, "Me So Twangy", won Best Tape at the Austin Music Awards, 1990 and was described by Peter Blackstock of The Austin American Statesman thusly: "reminded him of outtakes from a very early Beatles recording session." Twang Twang Shock-A-Boom Twang Twang Shock-a-Boom is an