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 string quartet is to chamber music what the symphony is to the orchestra: the most popular and prestigious form. A string quartet is written for two violins, a viola, and a cello, and typically has four movements. The first movement is usually fast and contains two or three themes that are repeated and developed throughout the movement.