GarageBand, powered by Apple Inc, lets users to create music or podcasts, record songs, play instrument and share music works, which works on both Mac OS X and iOS system.
Tap the export button in the top left-hand corner. Tap and hold on the song you wish to upload. How do I export GarageBand to Google Drive on Mac? In the Mail window that opens, check Song and then select the quality of the project.
This requires that you use the Mail application in OS X as your email client. The Mail sharing option lets you export your song from GarageBand and attach it to an email message.