Echoview Pro 

An integrated suite of powerful, interactive music calculating tools for musicians, sound engineers and producers. With Echoview Pro you can calculate beat times, perform sample calculations, tap tempo, tuner, MIDI chord analysis, metronome and more.
audio calculator sample time chord guitar keyboard midi compose delay stopwatch studio tools

Lyred PRO 

Lyred Pro is a lyrics and karaoke editor with enhaced tag support. Helps you get mini CD cover or print your lyrics book, has Winamp support and more. Full registered PRO version has access to lyrics archive www.lyred.com with more than 150000 lyrics
lyrics karaoke editor mp3 enhaced tag seach sing