Musical term meaning 'slowly' (6)
(Other definitions for largo that I've seen before include "Slow piece of music" , "(Musically) slow in tempo and broad in manner" , "In a stately manner, musically" , "taking it steady" , "Broad and slow (mus.)" .)
(Other definitions for adagio that I've seen before include "develops slowly" , "Slowly (mus.)" , "'Slowly and gracefully, in music (6)'" , "In slow time (music)" , "Slow piece of music" .)