We don't need to know what the particular notes are, but let's look at this just for a moment because it works well as a prototype of melody.

我们不必确切地知道这些音符是什么,但是还是让我们来看一下,因为它简直就是旋律的典范

耶鲁公开课 - 聆听音乐课程节选

The fifth-generation stealth fighter is currently being developed in Russia and the prototype flew for the first time earlier this year.

BBC: India to buy advanced fighter jets from Russia

This key component of mobile DTV receivers already can be found in a variety of new products being introduced by various manufacturers this year for mobile DTV, from laptop USB accessory receivers to prototype netbooks with integrated mobile DTV tuners.

ENGADGET: LG's glassesless 3D Mobile DTV eyes on (update: video)

Since this was probably done for debugging purposes, the malware may be an early prototype.

FORBES: First-Known Targeted Malware Attack On Android Phones Steals Contacts And Text Messages