Mach 1 Heartbeat

[Verse 1] From the bay of a B 29 Engines hum, then roar Chuck Yeager grins Feels the shake in the floor Glamourous Glennis trembling Right at the line 768. One breath, then climb [Pre-Chorus] Numbers climbing on the dial Radio crackling, "You alright?" He says, "Hold on for a while" Leans in to the bite [Chorus] Mach 1 heartbeat, breaking through the sky Faster than the thunder roll Supersonic soul, we fly From subsonic shadows to that burning blue Mach 1 heartbeat Pushing straight on through [Verse 2] They said "Sound wall" Like it was stone Like you hit that edge And never come home But he rode that x 1 plane Past the fear, past the chatter Left the echo chasing Far behind the shock [Bridge] Still there is the will To get faster still Subsonic whispers Supersonic shout Mach 2, Mach 3 Keep stretching it out Greater than the limit Less than what we dream We redraw the ceiling For the next one on the team [Chorus] Mach 1 heartbeat, breaking through the sky Faster than the thunder roll Supersonic soul, we fly Mach 1 heartbeat Pushing straight on through