A quarter note (American) or crotchet (British) is a note played for one quarter of the duration of a whole note (or semibreve). Quarter notes are notated with a filled-in oval note head and a straight, flagless stem. The stem usually points upwards if it's below the middle line of the stave or downwards if it's on or above the middle line. However, this may be changed if there's more than one part to differentiate between the parts. The head of the note also reverses its orientation in relation… (More on Crotchet)