-This recording was made to show the Adams Brass euphonium model E3- silver.

In 2022 Mauro Martins gave this performance at Canal Q a TV channel in Portugal.

In 2022 Mauro Martins gave this performance at Canal Q a TV channel in Portugal.

Live performance at Thailand International Tuba euphonium Conference.

This recording was made to show the Adams Brass euphonium model E1-Sterling.

In 2020 Mauro Martins participated in a project with Gregory Fritze where he recorded some of his etudes along 3 new duets for euphonium and tuba with the tubist Sérgio Carolino. All of these recordings are in the album “characteristic Etudes and duets by Gregory Fritze”.

This recording was made to show the Adams Brass euphonium model SONIC, the non-compensating, student model of the brand.

In 2022 Mauro Martins gave this performance at Canal Q a TV channel in Portugal.

In 2021 Mauro Martins gave this performance to the project In Music.