A song with punctuation in its title - a comma and question - resulted in a 404

[jxb345]

The punctuation marks were not encoded, and thus the URL was incorrect and resulted in a 404.

Note the comma and question mark as part of the URL:
https://ia903000.us.archive.org/24/items/78_baby-oh-where-can-you-be_the-aristocrats-koehler-magine_gbia0095830a/
Baby,%20Oh%20Where%20Can%20You%20Be?%20-%20The%20Aristocrats.mp3

URL should be:
https://ia903000.us.archive.org/24/items/78_baby-oh-where-can-you-be_the-aristocrats-koehler-magine_gbia0095830a/Baby%2C%20Oh%20Where%20Can%20You%20Be%3F%20-%20The%20Aristocrats.mp3

[jxb345]

This song title contained an apostrophe, but did NOT cause an error (404): https://archive.org/details/78_hobos-spring-song_radio-mac-harry-mcclintock-h-mcclintock_gbia0041496a

[jxb345]

The flac URL of the song that originated this bug (id: 78_baby-oh-where-can-you-be_the-aristocrats-koehler-magine_gbia0095830a/) did NOT error and played as expected.

flac URL:
https://archive.org/download/78_baby-oh-where-can-you-be_the-aristocrats-koehler-magine_gbia0095830a/_78_baby-oh-where-can-you-be_the-aristocrats-koehler-magine_gbia0095830a_01_3.8_CT_EQ.flac

[jxb345]

The regex that finds the .mp3 URL and .flac URL are different, which explains the difference is behavior in this case (a URL with question marks or apostrophes). The regex for the .flac files finds the a standardized URL (for each song) that removes all marks of punctuation while the regesx for the .mp3 URL find the "preferred" digitized version (as per George Blood) which contains spaces and marks of punctuation.

I want the app to fetch the .flac URL (since this is the file that I want to make available to the user for download (via the html5 audio player), so I will leave a comment in the code for the findMp3 function to adjust the regex in case I would want to fetch the .mp3 URL in the future.

Closing issue.