1. Scored music with lyrics, can play, not dumb PDF.
2. Playing cursor like TV karaoke plus pitch, speed, instrument adjustment.
3. Hymn book new experience: search melody, title, text, author, composer; turn page, zoom size quick finger operation.
4. Subset of our "classical hymns".
5. 573 Songs: 24 Christmas Carols, 15 National Anthems, Others are Christian Hymns.
Title of Christmas Carols with hymn number in this book:
074 Hark! The Herald Angels Sing
175 It Came upon the Midnight Clear
220 O Come, All Ye Faithful
319 Angels, from the Realms of Glory
320 Angels We Have Heard on High
465 Go Tell It on the Mountain
556 O Holy Night!
557 Good Christian Men, Rejoice
558 I Heard The Bells on Christmas Day
559 Oh, Come Little Children
560 What Child Is This
561 How Great Our Joy
562 While Shepherds Watched Their Flocks
563 Away in a Manger
564 Away in a Manger
565 Silent Night, Holy Night
566 Break forth, O Beauteous Heavenly Light
567 Gentle Mary Laid Her Child
568 We three Kings of Orient Are
569 O Sing a Song of Bethlehem
570 The Birthday of a King
571 O Little Town of Bethlehem
572 Theres a Song in the Air
573 The First Noel