All sounds are released under GPL, except:

* engine_large.wav
    Released under the Free Art License
    by the TORCS project "http://torcs.sourceforge.net/"

* skid.wav 
    Released under Creative Commons Attribution - Share Alike License 3.0
    by Atheal Washington and Stephen Dunn (stevo14)

* bowling_roll.wav
    Released under the Creative Commons Sampling Plus 1.0 license (http://creativecommons.org/licenses/sampling+/1.0/)
    |    You are free:
    |        - To sample, mash-up, or otherwise creatively transform this work for commercial or noncommercial purposes.
    |        - To perform, display, and distribute copies of this whole work for noncommercial purposes 
    |    Under the following conditions:
    |        - You must attribute the work in the manner specified by the author or licensor
    |          (but not in any way that suggests that they endorse you or your use of the work).
    |        - You may not use this work to advertise for or promote anything but the work you create from it.
    |        - For any reuse or distribution, you must make clear to others the license terms of this work.
    By Marianne Gagnon (Auria), based on "PaintCan.wav", "StoneSpinLong.wav" and
    "PaintCanDropHardAndRoll.wav" by daveincamas, released under the same license
* engine_small.wav
    Released under Creative Commons sampling Plus 1.0 License (see above)
    by Stephen Dunn (stevo14)
    Based on lawmower by morgantj.
    
* strike.wav (Based on sound "11913201" by Radio Mall)
* goo.wav (Based on sound "Slime pour horror juicy" by  BLASTWAVEFX 02344
    Released under the SoundSnap license (http://www.soundsnap.com/licence)
    |    You are Free:
    |        - To remix or transform the sounds in any way
    |        - To copy, distribute and transmit the sounds
    |        - To use the sounds in any music, film, video game, website etc. whether commercial or not, without paying royalties or other fees
    |    You Cannot:
    |        - Make commercial distribution of these sounds 'as they are'. For example, you cannot download and sell them as part of a CD library
