C6 is a super tenor. Generally, boys have studied bel canto or a level that advanced music students can reach. They can learn about Sodagreen's creep, and the highest sound reaches C6.

With the improvement of the audience's requirements, tenors should have a strong head voice, lyrical roles should have more heroic and dramatic performances, and music should be pushed to a climax through a strong and resonant voice, which is called a strong tenor. It is called the heroic tenor in Wagner's operas, such as Li Enji, Tang Haoshe and lohengrin.

Lightweight lyric (coloratura) tenor:

Lightweight tenor with a range similar to coloratura soprano. The voice is clear and bright, and he is good at singing light, flexible and decorative melodies. Coloratura singing can also be interpreted as coloratura singing with higher skills.

Like Count Almaviva in Rossini's opera The Barber of Seville, he is especially good at singing the works of composers such as Rossini, Bei Lini, Donizetti, Mozart, etc. Today, the tenors of this type of younger generation are represented by Juan Diego Florez and lawrence brown.

above content reference: Baidu Encyclopedia-Tenor