Some references for recording MP3 files

This is a list of resources that I have seen - I have not used most of these tools, so I can't say if they will be right for you.

Free Technology for Teachers - blog post on web-based audio recorders and editors
Synergyse.com - blog post on options for recording into Drive
JISC Digital Audio - list of other recording resources
Record MP3 - record in website and download MP3
Vocaroo  - record in website and download MP3
Suite of tools to record, join and cut audio files
Audacity - open-source recording and editing
FFmpeg for Audacity - import audio files in multiple format
LAME for Audacity - export MP3 files from Audacity
G+ post with several links
A Doc with tools used in Fon du Lac School District
List of 6 Chromebook Apps at EducatorsTechnology.com