What is 30 days in the hole?

"30 Days in the Hole" is a song by the British rock band Humble Pie, released in 1972 as a part of their album "Smokin'". The song is a blues-rock track with a heavy rhythm and blues influence, featuring powerful vocals and guitar work. The lyrics depict the experience of being isolated and trapped in a confined space for a period of time, emphasizing feelings of frustration and desperation.

The song has since become a classic rock staple and is often cited as one of Humble Pie's most popular tracks. It has been covered by various artists and has been featured in several movies, TV shows, and commercials over the years, solidifying its lasting impact on rock music history.