"I got the whole band set up in the basement and we are jamming"

Sebastian Bach is likely referring to a band he has created to practice and carry out music. The phrase "jamming" implies that the band is playing music together, likely in a relaxed and improvisational way. This might indicate that the band is playing covers of existing songs, or that they are developing their own music. The expression "whole band set up" indicates that the band has all the essential instruments and equipment to practice and carry out. It is likely that the band is practicing in the basement of a house or building, as this is a common practice area for bands. The quote suggests that the band is enjoying and taking pleasure in the music they are creating together. It is most likely that the band is delighted to be playing together and is anticipating performing their music in the future.