Ways to Compose Music Using Garage. Band. 2Browse for the loop you want. The Loop Browser allows you to filter loops based on a variety of characteristics, such as scale, instrument, mood, genre, and tone. You can filter for multiple characteristics simultaneously for example you can search only for those loops that are Jazz, Piano, and Grooving. Matlab Audio Database Toolbox Download. Once you have turned on the desired filters, you will see a list of the available loops. You can listen to one of these loops by double clicking on its name. You will also see information about the loops tempo, key, and duration, and have the option to add it to your favorites list. Where Can I Loops For Garageband FreeThe largest GarageBand Tips, Resources and Tutorials site. Sounds, Garage Band Instruments. MIDI Free Loops. Add more Instruments to Garage Band You can add many more instruments. They have to be in the AUDIO UNITS format for GarageBand to recognize them.