A rule of thumb for Eastern Bluebirds is that eggs will hatch 17 days after the first egg is laid.Nestlings remain in the nest 17â21 days before they fledge.Remove bluebird nests and those of other birds as soon as the young birds have fledged.
Another common standard classical quartet is the piano quartet, consisting of violin, viola, cello, and piano. Romantic composers Beethoven, Brahms, and Mendelssohn each wrote three important compositions in this form, and Mozart, DvoÅÃ¡k, and Gabriel FaurÃ© each wrote two.
The standard structure for a string quartet is four movements, with the first movement in Sonata form, Allegro, in the tonic key; second movement is a slow movement, in a related key; third movement is a Minuet and Trio, in the tonic key; and the fourth movement is often in Rondo form or Sonata rondo form, in the tonic key.