Cool Edit Pro (its next generation of successor is the current Adobe Audition) is a powerful, excellent multi-track recording and digital audio editing software developed by Adobe Systems company. Many users described it as an "audio painting" program, which is enough to see its technical background with flexibility and usability.

VirtualDJ (from France, not the Virtual DJ Studio) enables you to finish all the sound mixing work for a DJ show on PC. Its powerful function, intuitive UI can completely meet the demands from various occasions of live performances - from free selections, surrealistic tuning up to multi-channel mixing, generating a variety of special effects, Virtual DJ works it out easily for you.

For users who like to set the climax parts of pop songs as custom ringtones, there are already a variety of handy music clipping apps on mobile platforms. But the fact is none of them can achieve the same powerful and abundant functions as music cutting software on PC.

Mp3tag is a lightweight, universal (supports 15+ audio formats) audio file ID3-Tag info editor. It's specially designed to help user to fast edit all ID3 info in music file in batch, including title, artist, album, year, genre, composer, cover, etc., which is convenient for user to identify and manage music files.

MidiPiano Virtual Piano (short for MidiPiano) is a tiny (less than 2 mb) visual electronic piano combing MIDI file playing, recording and editing in one for Windows. In addition, it also makes piano teaching, studying quick and easy.