Ringpod is same as “Ringtone Maker”, but has classic dark theme. “Ringtone Maker”, https://market.android.com/details?id=com.herman.ringtone
Ringpod is free app creates ringtone, alarms, and notifications from FLAC, OGG, MP3, WAV,AAC(M4A)/MP4, 3GPP/AMR files. You can set the start and ending notes by sliding arrows along the timeline, by pressing Start and End to record the point, or by typing in time stamps.

Features:
Copy, cut and paste.
Fade in/out for mp3.
Adjust volume for mp3.
Preview the Ringtone files.
View a scrollable waveform representation of the audio file at 5 zoom levels.
Set starting and ending points for a clip within the audio file, using an optional touch interface.
Play the selected portion of the audio, including an indicator cursor and auto scrolling of the waveform.
Play anywhere else by tapping the screen.
Save the clipped audio as a new audio file and mark it as Music, Ringtone, Alarm, or Notification.
Record a new audio clip to edit.
Delete audio (with confirmation alert).
Sort by Tracks, Albums, Artists.
Built-in music player.

Ringtone save path:
Ringtone: sdcard/ringtones
Notification: sdcard/notifications
Alarm: sdcard/alarms
Music: sdcard/music

Music not show:
Android system is very slow to update its music database, so it takes time if you just download your music. You can use "Scan" menu of "Ringtone Maker" to force update, then you'll see these music.
For Google Play Music, Please check item 3 of http://ringcute.com/faq.html.

Frequently Asked Questions:
http://ringcute.com/faq.html


Ringdroid and RingsExtended source code:
http://code.google.com/p/ringdroid/
http://code.google.com/p/apps-for-android/
SoundRecorder:
https://android.googlesource.com/platform/packages/apps/SoundRecorder/
Music Player:
https://github.com/android/platform_packages_apps_music
Apache License, Version 2.0
http://www.apache.org/licenses/LICENSE-2.0.html

Jaudiotagger
http://www.jthink.net/jaudiotagger/

GNU Lesser General Public License
http://www.gnu.org/copyleft/lesser.html