You can use Google Earth 5 and up on your computer to record a tour of the world that you can share with others.
Audacity is a free open source audio and recording software.
Online manual that explains all of audacity’s functions and workspace.
This PDF explains the tools available in Audacity.
A playlist of 15 simple Audacity lessons, from audio editing to fun effects.
This article explains how to use Audacity to make music at home!