Leon Indrawan

Dedicated Annotation Proficiency, music Producer with extensive knowledge of music theory, harmony, melody, rhythm, chord progressions, and critical listening. Experienced in producing piano ballads and instrumental music while applying advanced musical analysis throughout the production process. Strong auditory perception enables accurate identification of pitch, tempo, key signatures, chord progressions, instrumentation, genre, mood, and song structure.

Music Instructor (2019-01 – Present)

• Teach guitar and fundamental music theory.
• Instruct students in chords, scales, rhythm, melody, and ear training.
• Develop students' understanding of harmony and musical expression.
• Provide feedback on musical accuracy and performance

Music Producer & Composer (2020-01 – Present)

• Produce original piano ballads type beat and instrumental music.
• Compose and arrange original musical works.
• Analyze harmony, melody, rhythm, and musical structure during production.
• Create expressive piano-based compositions with emotional storytelling.
• Apply advanced understanding of chord progressions and harmonic movement.
• Maintain high standards of musical accuracy and audio quality

Music Annotator (2026-01 – Present)

Music Annotator, analyze and precisely label multi dimensional audio data, including genre, mood, tempo, and frame by frame structures to build reliable and high quality datasets for training artificial intelligence and machine learning models

Music – SMK N 2 Kasihan (Yogyakarta Music Senior Highschool) (2015-01 – 2018-12)