William Tabbert was an American actor and singer, best known for his work in musicals, especially on Broadway. He appeared in several movie musicals, most notably in the movie version of "Kiss Me, Kate". His unique vocal technique was characterized by his rich and smooth voice, his ability to deliver emotionally powerful performances, and his distinctive vibrato.

If you want to learn how to sing like William Tabbert, there are several resources that can help you develop the skills needed to perform his signature style:

1. Breath control: William Tabbert had excellent breath control, which allowed him to sing with power and emotion. To improve your own breath control, try Singing Carrots' breathing basics article and Farinelli breathing video exercise.
2. Pitch accuracy: William Tabbert had an excellent ear for pitch and could sing with perfect intonation. Singing Carrots' pitch accuracy test can help you improve your own pitch accuracy skills.
3. Vibrato: William Tabbert's vibrato was one of his most identifiable vocal characteristics, and it helped to give his voice a unique and powerful sound. Singing Carrots' singing with vibrato article and Beggars Bounce and Diaphragm Bounce video exercises offer some tips and exercises to help develop your own vibrato.
4. Articulation: William Tabbert was known for his clear and precise articulation, which allowed him to convey the meaning of the lyrics with great clarity. Singing Carrots' articulation article and Finger Bite video exercise can help you develop your own articulation skills.
5. Vocal health: William Tabbert had a long and successful career, in part because he took good care of his voice. Singing Carrots' vocal health article offers some tips and advice on how to keep your own voice healthy and in good condition.

If you want to explore William Tabbert's music further, here are some of his most famous performances:

• "Younger Than Springtime" from South Pacific
• "I Have Dreamed" from The King and I
• "Some Enchanted Evening" from South Pacific
• "This Nearly Was Mine" from South Pacific
• "All at Once You Love Her" from Pipe Dream

In conclusion, William Tabbert had a unique vocal style that was characterized by his rich and smooth voice, his ability to convey emotion, and his distinctive vibrato. By developing your breath control, pitch accuracy, vibrato, articulation, and vocal health, and by practicing the songs that showcase his style, you can learn how to sing like William Tabbert and develop your own unique vocal style.