File list (Check if you may need any files):
ContentProvidersAudios\.classpath
......................\.project
......................\AndroidManifest.xml
......................\assets
......................\bin
......................\...\classes.dex
......................\...\com
......................\...\...\coign
......................\...\...\.....\cp
......................\...\...\.....\..\playaudio
......................\...\...\.....\..\.........\FilterFilesByMp3Extension.class
......................\...\...\.....\..\.........\main$1.class
......................\...\...\.....\..\.........\main.class
......................\...\...\.....\..\.........\R$attr.class
......................\...\...\.....\..\.........\R$drawable.class
......................\...\...\.....\..\.........\R$id.class
......................\...\...\.....\..\.........\R$layout.class
......................\...\...\.....\..\.........\R$string.class
......................\...\...\.....\..\.........\R.class
......................\...\ContentProvidersAudios.apk
......................\...\resources.ap_
......................\default.properties
......................\gen
......................\...\com
......................\...\...\coign
......................\...\...\.....\cp
......................\...\...\.....\..\playaudio
......................\...\...\.....\..\.........\R.java
......................\res
......................\...\drawable-hdpi
......................\...\.............\icon.png
......................\...\drawable-ldpi
......................\...\.............\icon.png
......................\...\drawable-mdpi
......................\...\.............\icon.png
......................\...\layout
......................\...\......\main.xml
......................\...\......\song_items.xml
......................\...\values
......................\...\......\strings.xml
......................\src
......................\...\com
......................\...\...\coign
......................\...\...\.....\cp
......................\...\...\.....\..\playaudio
......................\...\...\.....\..\.........\FilterFilesByMp3Extension.java
......................\...\...\.....\..\.........\main.java