An outfit of Hatsune Miku designed by Rella for the 5th Anniversary of Miku Symphony in 2020. As the name suggests, it's based on gramophones.
She is assumed to be a music box doll by Rella, hence she also has strong ballerina and music box motifs with see-through materials.
English name taken from one of Rella's arts.
This tag implicates hatsune_miku (learn more).