Episode 18, also known as Una canción con Matteo, sobre ruedas (A Song with Matteo, on Wheels), is the eighteenth episode of the Disney Channel Latin America series Soy Luna. It aired on April 6, 2016.
- Karol Sevilla as Luna Valente
- Ruggero Pasquarelli as Matteo Balsano
- Valentina Zenere as Ámbar Smith
- Michael Ronda as Simón Álvarez
- Malena Ratner as Delfina
- Agustín Bernasconi as Gastón Perida
- Katja Martínez as Jazmín Carvajal
- Ana Jara as Jim
- Jorge López as Ramiro
- Chiara Parravicini as Yam
- Gastón Vietto as Pedro
- Lionel Ferro as Nicolás
- Carolina Kopelioff as Nina Simonetti
- Luz Cipriota as Tamara
- Lucila Gandolfo as Sharon Benson
- Rodrigo Pedreira as Rey
- David Muri as Miguel Valente
- Ana Carolina Valsagna as Mónica Valente
- Diego Sassi Alcalá as Tino Alcaraz
- Germán Tripel as Cato Alcoba
- Antonella Querzoli as Amanda
- Paula Kohan as Mora Barza
- Ezequiel Rodríguez as Ricardo Simonetti
- Caro Ibarra as Ana
- Thelma Fardín as Flor
- Julián Sierra as Teacher
- Luna and Matteo sing a duet for the first time.
- Ámbar breaks up with Matteo.
- Mora makes her first appearance in the show.
- Ricardo and Ana sing for the first time.
- This is the first episode where all main characters appear.
- This episode marks the last appearance of Flor in season 1.
- Pedro appears in this episode, but does not speak.
- In this episode, it is revealed that Ámbar's last name is Smith.
| To view the Season 1/Episode 18 gallery, click here.