442 Hz TONE TUNING- NIGHT by Noble is tuned at the current standard pitch of 442 Hz. This pitch enables an great ensemble with other brands’ ocarina, with accompaniment CDs, or with instrumental accompaniment, without any discomfort. *Breath force changes the pitch by semitones. | NIGHT TYPE TONE HOLE ARRANGEMENT- “NIGHT type tone hole arrangement”, the arrangement that small tone hole is located at the tip of the middle finger of both hands, has earned a great reviews. NIGHT by Noble Pura Ocarina also adopted its arrangement that makes you play low tone without any difficulty | CLEAR TONE- Although the technique (tip) was needed to play the high-pitch sound part clearly, NIGHT by Noble Pura Ocarina AC (Alto C major scale) can easily sound clearly | SURFACE FINISHING- The surface finishing of Pura Ocarina AC (Alto C major scale) is the chic rubber finish, and you will not get tired of it. | PACKAGE DEAL- The original bag for ocarina is sold as a set. This is made of thick velvet material that can protects ocarina. Moreover, it is very convenient as it can also be carried in the Ocarina bag. We are looking forward to your order at this time.