Here is the link to the NPR listening test (copy and paste into your browser). https://www.npr.org/sections/therecord/2015/06/02/411473508/how-well-can-you-hear-audio-quality Please: 1.Tell me what format you used to take the test (stereo speakers, car audio, earbuds, headphones, etc).  Please use the highest quality speakers you have available. 2. Give me a short paragraph for each song explaining your choice.  Tell me what you heard in the track that made you choose it.  Did you choose the uncompressed WAV file? If not, why didn't you choose the WAV track?