The song "System Check" by Hawkwind is a futuristic sci-fi anthem that speaks about the handover of control from the captain to the mothership control and the initiation of new sonic devices. The song talks about a system check that has been conducted, and all the functions have been deemed operational. The musicnaut and equipment have been initiated, and the input has been initiated as well. The song is about an intergalactic mission, and the mothership control is the central command center that is responsible for the safe passage of the crew. The song talks about new sonic devices that have been stored at the mission control, which will aid the crew in their mission. The song is a message from the mothership control, giving updates on the system check and the readiness of the crew and equipment. "System Check" is a high-energy, adventurous song that paints a picture of a grand intergalactic journey.