What is Artwork-File specification?
• JPG or PNG image file. The file must be in RGB mode, even if your image is black and white.
• At least 1400 x 1400 pixels in size. iTunes recommends files be 3000 x 3000 pixels.
• A perfect square.
• No blurriness, pixelation, or white space.
• Title and artist must match the release exactly. Any featuring artists you put on the artwork must be credited in the release information.
• No extra information or labels. No social media links, contact information, store names or logos, pricing information, release dates, “New” stickers, etc.