1. Voice Quality: The singer's vocal tone, clarity, range, and overall timbre.
2. Intonation: The accuracy of the singer's pitch, especially with respect to hitting and sustaining notes.
3. Expression and Interpretation: The singer's ability to convey the emotions and meaning of the song through their performance and interpretation.
4. Stage Presence: The singer's stage presence, including their charisma, confidence, and engagement with the audience.
5. Musicality: The singer's understanding and execution of the musical elements of the song, such as rhythm, dynamics, and phrasing.
6. Technical Skills: The singer's control and use of vocal techniques, such as vibrato, breath control, and articulation.
7. Overall Performance: The singer's ability to deliver a compelling, well-rounded performance that engages and captivates the audience.
8. Song Selection: The singer's choice of song, and how appropriate and effective it is for their voice and style.
9. Creativity: The singer's ability to add unique elements or interpretations to the song, showcasing their artistic flair.
10. Communication and Connection: The singer's ability to connect with the audience and convey the story and emotions of the song effectively.
Judges may assign scores or ratings based on these criteria, and the overall winner is determined based on the cumulative points or rankings.