In the tremolo technique, the thumb plays a bass note followed by the fingers which play the same treble note three times: pami, pami, pami etc. (Recuerdos de la Alhambra by Francisco Tárrega is a famous example of this technique).
Alhambra | Alhambra, California | Alhambra Theatre Glasgow | Alhambra Decree | Bradford Alhambra | Recuerdos de la Alhambra | Alhambra Theatre |