The document outlines various musical pieces studied for Edexcel's GCSE Music, detailing their specific features in melody, rhythm, structure, instrumentation, dynamics, harmony, tempo, and texture across four key areas: Western Classical Music, 20th Century Music, Popular Music, and World Music. Notable works include Handel's 'Hallelujah', Mozart's Symphony No. 40, Bernstein's 'Something's Coming', and Buckley's 'Grace', each analyzed for their unique musical characteristics. Additionally, it covers the historical context and techniques employed by the composers to enhance their works.