A short hummed Swisscom melody repeating mmm na na na in a light, catchy tune, often used as a playful transition sound in short videos and memes.
This seven-second clip is a simple hummed tune built around a soft mmm followed by a repeated na na na, sung in a relaxed, upbeat voice with no instruments or words. The melody rises and falls in a bouncy, almost singalong pattern, making it feel familiar even on a first listen. Because it is short and cheerful, it lands as a lighthearted earworm, instantly setting a friendly, slightly cheeky mood before a punchline, a reveal, or a cut to something unexpected. It works best when it is allowed to play cleanly, without competing music, so the vocal hook stays front and centre.
Swisscom is a Swiss telecommunications company, and this short clip circulates on soundboards under its name as a simple hummed vocal hook rather than a full song or spoken line. Its appeal comes from how easy the melody is to recognise and repeat, which has made it a handy shorthand for a light, commercial-style moment in memes and short edits. Because the clip is only about seven seconds long, it fits neatly into intros, transitions and punchlines without needing context, and that brevity helps explain why creators keep reusing it.