Since the end of the nineteenth century and the beginning of the twentieth century, Ukraine witnessed a remarkable musical development that it had not witnessed before, as the state made it a part of public thought, introducing it into clubs, factories, and operas, and worked to encourage talents and publish books that supported scientific research. Which led to a huge boom in the music. Theodore Akaminko is one of the authors whose works are distinguished by his technical ingenuity, requiring high technical performance and skill, and he has presented many different works. Therefore, the researcher dealt with one of his piano works with instrumental analysis to help students understand it and perform it as required. The research includes: introduction, the research problem, its objectives, its importance, the research hypotheses, and its limits. The research includes two frameworks: The theoretical framework and consists of: Previous studies related to the research topic. About the Fantasia template. A biography of the life story, major works and style of the Ukrainian composer Theodor Akaminko. Application framework: Structural, theoretical and instrumental analysis of the two works Piano Fantasy, Class 33 by Theodore Akaminko, and an attempt to present technical and instrumental difficulties and instructions for how to overcome them. Then the researcher's findings, recommendations, proposals, and references.