Free Potion (with Dua Lipa & Young Thug) ringtone for your phone. Listen first, then download the version you like. The song is performed by Calvin Harris. You can choose from 6 versions between 19 and 77 seconds. If you like guitar, electric guitar and midtempo ringtones, see the tags below. Android users need the .MP3 file, iPhone users need the .M4R file. Both are free. To see all ringtones by Calvin Harris, use the link under the title or look at the related ringtones below.