Marco Pérez, a young man from Salamanca, had a successful debut in Bilbao. He achieved a notable performance, earning an oreja, a recognition also received by David de Miranda and Castella.

Further details about Marco Pérez's debut are available from the source, El País. The information provided indicates that his performance was significant enough to be recognized with an oreja, a distinction shared with other notable individuals.

The source reports that Marco Pérez, David de Miranda, and Castella all received an oreja, highlighting their achievements in Bilbao. For more information about this event and the individuals involved, readers can refer to the original article in El País.