I use these files on my cell phone as a simple metronome.  They were generated using [[http://www.hydrogen-music.org|Hydrogen]].  

{{:60bpm.mp3|}}

{{:66bpm.mp3|}}

{{:72bpm.mp3|}}

{{:78bpm.mp3|}}

{{:84bpm.mp3|}}

{{:90bpm.mp3|}}

{{:96bpm.mp3|}}

{{:102bpm.mp3|}}

{{:108bpm.mp3|}}

{{:114bpm.mp3|}}

{{:120bpm.mp3|}}