Complex sentence: Starting with "Sgt. Pepper's Lonely Hearts Club Band" Beatles' albums were released unmodified and issue of 45 RPM singles featuring album tracks was also stopped-instead non-album tracks were issued as singles between album releases.
Split into simpler sentences: Starting with "Sgt. Pepper's Lonely Hearts Club Band" Beatles' albums were released unmodified. Instead non-album tracks were issued as singles between album releases.