Tune Token airdrops 500 TUNE tokens (~$8,29) to their airdrop participants for the following simple tasks. They also offer a referral program where you can earn additional TUNE for each user you refer.
Step by step guide
Watch their Youtube Video (+90)
Enter your username you've created during the App registration (+50)
Make a Tweet "Just joined TUNE Token #Airdrop. Add some to your #crypto portfolio for FREE!" (+50)