When you purchase a song from the iTunes Store today, it downloads as an (specifically, a protected or now mostly unprotected AAC file).
: Common issues, such as converting existing files to M4A using iTunes Import Settings . 2. Academic/Research Paper How do I download a song from iTunes now? itunes m4a music download install
: Because of its advanced encoding, you can store more high-quality music in less space, which is ideal for devices with limited storage. Ease of Installation and Use Music Transfer for iTunes - Ratings & Reviews - App Store When you purchase a song from the iTunes