Official Steely Dan Website: You can check the official Steely Dan website to see if they have the sheet music available for purchase or download.
Music Publishing Websites: Look for music publishing websites such as MusicNotes, Sheet Music Plus, or Hal Leonard Online, where you can find and purchase a variety of sheet music, including "Do It Again" by Steely Dan.
Online Music Stores: Major online music stores like Amazon or Barnes & Noble may also offer the sheet music for "Do It Again" as a digital download or physical copy.
Digital Sheet Music Apps: There are digital sheet music apps available, such as MuseScore or forScore, which provide a large catalog of sheet music and may have "Do It Again" by Steely Dan.
Music Bookstores: Local music bookstores or sheet music stores may also carry the sheet music for "Do It Again." Contact your local music store to see if they have it in stock or can order it for you.
Remember, before using or distributing any sheet music, always check the copyright information and make sure you have the necessary rights and permissions.