When it comes to music catalog, there are several synonyms that can be used. Musical repertory, music collection, and song archive are some of the most common ones. The term music library can also be used, especially when referring to a curated collection of music that is organized and easily accessible. For digital music collections, terms like music database and online music repository may be more appropriate. Additionally, there are industry-specific terms like production music library and music publishing catalog, which refer to collections of music that have been licensed for use in film, TV, and other media. Whatever the context, there are plenty of synonym options to choose from when referring to a catalog of music.