Claude Debussy, a French composer, was known for his innovative use of natural sounds in his music. His works, such as "La Mer" and "Prélude à l'après-midi d'un faune," evoke the beauty and tranquility of nature through musical representations of natural phenomena.

Programmatic music is a genre of music that is inspired by or depicts a specific story, poem, or natural scene. It aims to evoke emotions and imagery related to the non-musical subject matter.

Timbre, also known as tone color, refers to the unique sound quality of an instrument or voice. Composers often use specific instruments or combinations of instruments to create timbres that resemble natural sounds, such as the flute for birdsong or the strings for the rustling of leaves.

Onomatopoeia is a literary and musical device that involves the use of words or sounds that imitate or suggest the sounds of natural phenomena. In music, composers may use instruments to create sounds that resemble natural sounds, such as bird calls or flowing water.

Edvard Grieg, a Norwegian composer, was heavily influenced by the natural beauty of his homeland. His music, such as the "Peer Gynt" suites and the "Piano Concerto in A Minor," is characterized by melodies and harmonies that evoke the landscapes, folklore, and emotions associated with Norway.

Musique Concrète is a genre of music that emerged in the 20th century, pioneered by composers such as Pierre Schaeffer and Pierre Henry. It involves the use of natural sounds and environmental recordings, manipulated and transformed through electronic means, to create new and unique musical compositions.

Morton Subotnick, an American composer, is known for his pioneering work in electronic music and his use of natural sounds. His compositions, such as "Silver Apples of the Moon" and "The Wild Bull," explore the relationship between technology, nature, and music.

Field recording is the practice of recording natural sounds and environmental sounds in their natural setting. These recordings are often used in music composition, sound design, and documentary filmmaking to create a sense of place and atmosphere.

The flute is a woodwind instrument that is often used to imitate the sounds of birdsong in music. Its clear and agile tone can produce melodies and trills that resemble the songs of various bird species.

Crescendo is a musical technique that involves the gradual increase in volume. It is often used to build tension or create a sense of anticipation in a musical piece.

Jean Sibelius, a Finnish composer, was heavily influenced by the natural beauty of his homeland. His music, such as the "Finlandia" tone poem and the "Symphony No. 5," is characterized by harmonies and textures that evoke the sounds and atmospheres of the Finnish forests and landscapes.

Programmatic music is a genre of music that is inspired by or depicts a specific story, poem, or natural scene. It aims to evoke emotions and imagery related to the non-musical subject matter.

Rhythm is a musical element that involves the organization of sounds and silences in time. It creates a sense of movement or flow in music and can be used to evoke various emotions and moods.

Ostinato is a musical technique that involves the repetition of a short musical phrase or motif. It can be used to create a sense of rhythm, momentum, or tension in a musical piece.

Béla Bartók, a Hungarian composer, was heavily influenced by the folk music and rhythms of Eastern Europe. His music, such as the "Music for Strings, Percussion, and Celesta" and the "Concerto for Orchestra," is characterized by melodies and rhythms that evoke the sounds and rhythms of the African savanna.