Freedom and flexibility broadly define the characteristics of Romantic rhythm. In general, there was less focus on this aspect, with rhythms tending to be less vital, and more on lyrical, expressive melodies. More frequently there were long sections, and even whole movements based on one unbroken rhythmic pattern; cross-rhythms - particularly twos against threes - and in piano music, irregular groupings of notes in the RH against regular quaver beats in the LH.