Gilbert O'Sullivan is known for his distinctive singing style with a soft, high-pitched voice that conveys emotion and sensitivity in his songs. Many of his popular hits, such as "Alone Again (Naturally)" and "Clair," showcase his unique vocal technique, which combines a breathy, falsetto-like quality with a clean, crisp enunciation of lyrics.

1. Develop your breath support. Gilbert O'Sullivan is known for his long, sustained phrases and effortless transitions between registers. To achieve this, it's important to work on your breath support and vocal stamina. Singing Carrots' Breath Support article and Farinelli Breathing Exercise video are great resources to start with.
2. Practice vowel shaping and articulation. Gilbert O'Sullivan's singing style is characterized by clear, precise articulation of lyrics, which enhances the emotional impact of his songs. Singing Carrots' Articulation article and Finger Bite Exercise video can help you work on your diction and improve your overall vocal clarity.
3. Find your vocal range. Gilbert O'Sullivan's singing style often leans toward the higher end of the vocal range, so it's important to identify your own range and work on expanding it. Singing Carrots' Vocal Range Test is a great tool to help you determine your range and compare it to famous singers.
4. Experiment with vocal registers and falsetto. Gilbert O'Sullivan's high-pitched singing often employs a falsetto-like quality that is both distinctive and effective in conveying emotion in his songs. Singing Carrots' Voice Registers & Vocal Break article and Mixed Voice/Voice Break Exercise video can help you explore your vocal registers and work on transitioning between them smoothly.
5. Study Gilbert O'Sullivan's songs. To learn to sing like Gilbert O'Sullivan, it's important to study his songs and pay attention to the nuances in his vocal style. Singing Carrots' Search Songs by Vocal Range tool can help you find songs that match your own vocal range and style, while the Vocal Pitch Monitor can help you practice matching Gilbert O'Sullivan's pitch and vocal style.

With practice and perseverance, you can learn to sing like Gilbert O'Sullivan and explore your own unique vocal style. Singing Carrots' Singing Course is also a great resource for beginners who want to learn the basics of singing theory and technique.