The speed of a song or composition when it is performed. Variations are created using the thematic material of the main theme for the basis of the variations. The time signature tells you about the meter or the rhythmic grouping of the song or composition. It is placed on a musical staff at the beginning of each piece or section. The top number indicates what kind of note receives one beat.
Bar lines divide the staff into measures.
It can refer to a scale step or a triad or a chord. A tonic chord is the triad whose root is the first scale step of the key of the composition. The key of a composition or song gives the tonality of a song. Triple meter Music that moves in groupings of rhythmic pulses or beats in sets of 3's. 3 sets of 3's.