An underground band is a musical group that performs in small, often secret venues. The term 'underground band' can be broken down into two words: 'LODE' and 'ORE'. A LODE is a mineral deposit that is found in the ground, while ORE is a type of rock that contains valuable minerals. Together, these two words form the term 'underground band', which refers to a musical group that performs in small, often secret venues.