This sound was recorded at the door of the bar of the seaport of gandia's beach. We can hear young people walking, running, whispering, shouting and opening a door.
Something small made with famitracker. Nothing else was used besides that software. It is a simple and free program so if you're interested check it out.
Burst of air next to a mic. It was originally intended for a bullet hitting a ballistic vest, but it obviously can work for some kind of a pressure releasing sound too.
Singing canary. This sound is public domain. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.