Серіали, створені Roel van Velzen

The Voice

• Reality

The Voice UK

• Reality

The Voice of Germany

• Reality

The Voice of Holland

The Voice of the Philippines

• Reality

The Voice of Poland

• Reality

The Voice Brasil

• Reality

The Voice van Vlaanderen

• Reality

The Voice of Finland

La voz

• Reality

Vocea Romaniei Junior

• Kids

O Ses Türkiye

Glasat na Bulgaria

The Voice Indonesia

The Voice Israel

Voice – Danmarks største stemme