Get Heard On Twitter With Twaud.io [LINK]
Uploading audio, voice message on Twitter is really easy. Just click either upload or record, upload your mp3 file or record it directly on the site and add a message and Twaud.io will tweet it on your behalf providing a nice short link to a page where your followers can listen to and comment on your audio clip. You can even see how many visitors it has had.
Alternatively, you can email your recorded/saved audio to Twaud.io. especially if you're on the go. It works seamlessly on iPhone Voice Memos and other devices.
Twaud.io is another cool web service for Twitter that deserves a try!