What is a group of Melodies called?

A group of melodies is commonly called a Pocket. Other collective nouns you may see include Bazaar and Charm.

Collective nouns are unique terms used to refer to groups of living beings or inanimate objects. While collective nouns are typically associated with animals, they can also be used to describe entities in various contexts, including music. In the realm of melodies, a collectively accurate term could be an ensemble. An ensemble captures the idea of a group of melodies working collectively to create a harmonious composition. Just like an ensemble consists of different musicians playing different instruments, melodies unite and complement each other to form a vibrant and captivating piece of music. Another evocative term for collective melodies is a symphony. Derived from the ancient Greek word "symphonia," meaning concord or harmony, a symphony perfectly encapsulates the cohesive nature and harmonious union of melodies. Similar to different instrumental sections in a symphony orchestra, melodies blend their distinct qualities to create a grand arrangement that stimulates the listener's emotions and imagination. Conversely, a cacophony can be used to describe a collection of melodies that, rather than creating harmony, produce discord or dissonance. While this term may seem contradictory to the purpose of melodies, a cacophony can convey an intention to create contrasting or experimental sounds, meant to challenge conventional musical expectations. Additionally, a medley can be seen as a collective noun for melodies. A medley cleverly combines shorter musical passages or separate melodies into a single composition. Just as a medley presents different melodies in rapid succession, often rearranged or intertwined, this term symbolizes an amalgamation of melodies to result in a captivating and exciting tapestry of music. In summary, when discussing groups or collections of melodies, terms like ensemble, symphony, cacophony, and medley can aptly represent the amalgamation, harmony, dissonance, or arrangement of these melodic elements. Each term brings a unique context and emotional description to the collective nature of melodies, enriching our understanding and appreciation of the musical world.