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A group of Lieder unified by a narrative thread or by a descriptive or expressive theme is called a song cycle.
What is a Song Cycle?
The musical components of song cycles must be connected. During the Romantic era, artists like Robert Schumann and Franz Schubert initially developed the song cycle. A song cycle's music makes several references to its fundamental concept. The development of keys, motives, or ideas must be used by composers to link song cycles. The way the composer arranges the song cycle mostly depends on his particular taste in music. Between 3 and 9 tracks that are all musically related together make up a professionally crafted song cycle.
Therefore, A group of Lieder unified by a narrative thread or by a descriptive or expressive theme is called a song cycle.
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