Sonar (WW2) - v1 WW2-style submarine sonar ping that's so authentic, you might start looking for U-boats in your bathtub. mp3 m4r ogg
Professionals Straight faces. Not sure why I imagine straight faces when hearing this sound. mp3 m4r ogg
Male voice: Well... With a pause that promised intrigue, his deep and warm voice began, "Well...". mp3 m4r ogg