On February 19, 2025, as part of the Humanities, Arts, and Social Sciences (HACS) course, a lecture titled "Water on the Agenda: a sonic and creative odyssey" was delivered by Professor Paulo Cordeiro from the Sintra Music Conservatory. This session was part of the "Conversations about Water" lecture series and provided students with a unique experience of musical and creative exploration.

The lecture began with the presentation of various musical videos that addressed the theme of water. Among the examples presented were "La Mer" by Claude Debussy (1905), "The Fountains of Rome" by Ottorino Respighi, "Water Walk" by John Cage – an innovative piece based on improvisation and the random construction of sounds – and "Music of the Lagoon" by Hermeto Pascoal. Each of these works demonstrated different musical approaches to the element of water, prompting students to reflect on its influence in sound art.

After this introduction, the students actively participated in an interactive session. Using the software Audacity, each student had the opportunity to create their own musical composition. For this, they used music of their choice, previously downloaded in mp3 or wav format, as well as additional materials made available on the Dropbox platform. Some students shared their creations with their peers, making the moment even more enriching and collaborative.

The highlight of the class occurred at the end, with an improvised concert under the guidance of "conductor" Paulo Cordeiro. The students explored sounds produced by different materials, such as Tibetan bowls, crystal glasses with water, rain tubes, and glass bottles with different water levels, which were used as wind instruments. This experience provided a collective sonic involvement, allowing participants to interact spontaneously and creatively.

In summary, the session not only addressed water as a musical theme but also encouraged students' experimentation and artistic expression. The result was an extraordinary moment of creativity and learning, widely applauded by the students at the end of the class.