As the capital city of Hunan Province, Changsha has many music training institutions. The following are some trusted music training institutions:

1. Middle School Affiliated to Hunan Conservatory of Music: As the only middle school affiliated to Hunan Conservatory of Music, this institution has strong teachers and rich teaching experience, and provides professional music training courses.

2. Changsha Music School: This school is a key music education institution in Changsha. It has first-class teaching facilities and a professional team of teachers, providing piano, vocal music, instrumental music and other music training courses.

3. Changsha Art School: This school is a well-known art education institution in Changsha. Has many years of experience in music training, providing piano, vocal music, dance and other art training courses.

4. Changsha Children's Palace: As the largest youth activity center in Changsha, the Children's Palace has a special music training department to provide music training courses such as piano, vocal music and instrumental music.

5. Changsha Music Training Center: This center is a professional music training institution in Changsha, with a high-level teaching staff and a perfect teaching system, providing piano, vocal music, instrumental music and other music training courses.

These are some trustworthy music training institutions. When choosing a suitable institution, teachers, teaching facilities, teaching experience, word of mouth and other factors can be considered. At the same time, you can make a better choice by consulting friends, parents or looking up relevant information on the Internet.