Top 8 + Websites for Free Music and Sound Effects - CustomShow
Free Music & Sound Loops for PowerPoint Presentations
Short Songs - Royalty Free Audio Loops. Free Short Tunes, Background Music, Sound Clips for Games, Apps, Flash, Films, Multimedia de Short Tracks and Interludes Collective en Amazon Music - Amazon.es
More Sound Resources - DSNA 114: 4D Design - LibGuides at Ringling College of Art + Design
10 Best Websites to Find Royalty-Free Sound Effects
Buildbox - SoundBible is a great #indiedev resource to use to find free sound effects for your games. They have tons of themed sound clips from heavy rain to a hyena laughing!