The energy and exuberance in the melody and the attitude of the rhythm are as powerful to me as any rock 'n' roll song, as energizing as any techno dance music, as driving and thrilling as any punk or heavy metal.

NPR: Headbanger Andrew W.K. Rocks Out �� To Bach

Harmony and Melody and Rhythm and Tempo are all components of a song, but they are not the same thing.

FORBES: Don't Get Stockblocked

Wenger made four alterations to his starting line-up - Eboue, Kieran Gibbs, Diaby and Eduardo replacing Bacary Sagna, Gael Clichy, Alexandre Song and Nicklas Bendtner - but the change of personnel did little to disrupt a rhythm that had brought Arsenal impressive wins against Everton and Celtic.

BBC: SPORT | Football | Premier League | Arsenal 4-1 Portsmouth