heartsong

noun3

1. •
   A song or message that is deeply heartfelt.

   • With hymning we will praise Thee, Our heartsong we lift up to Thee, Thou glorious evermore — 1883
2. •
   A heartwarming song or poem.

   • Many of his lyrics are heartsongs that will chord with human life as long as it has sorrows and aspirations. — 1896
3. •
   The expression of a person's inner essence, underlying identity, and reason for existence.

   • The words he speaks carry a familiar message. He lifts me up to sing my infinite heartsong. He is a musical tone that rings out to embrace the morning sky. — 2005