(music) A pop group whose members are all (usually attractive) young men.

(genetics) Any of the subregions of a chromosome that are visible under a microscope after staining

A musical group consisting solely of woodwind and brass instruments.

(physics) The highest range of electron energies in an insulator or semiconductor that can be populated; it corresponds to the valence electrons of the constituent atoms

(physics) The range of electron energies in an insulator or semiconductor in which electrons can move freely and transport charge.

A band (rock band) made up solely of young women.

(physics) An absorption or emission spectrum consisting of bands of closely-spaced lines; characteristic of polyatomic molecules.

(informal) A glam rock band.

(sciences) Any spurious results clustered together, outside of normal expected ranges (as in a plot of recorded energy values, with an inexplicable blot, marring the clean expected results).

A musical ensemble associated with a school, not necessarily a musical school; e.g. marching band.