There are two 4minute releases named "Heart to Heart". 1. The Korean single, released March 29, 2011 under the label Cube Entertainment. Tracklist: 1. 4minutes Left 2. Heart to Heart 3. Sweet Suga Honey! 4. You Know 5. 모르는 척 (Pretend) 2. The Japanese single, released September 7, 2011 under the label Far Eastern Tribe Records. Tracklist: 1. Heart to Heart (Japanese Version) 2. Sweet Suga Honey! 3. FIRST (Korean Version) 4. Heart to Heart (Instrumental) User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.