The song study offers hymnologically and theologically well-founded comments on the text and music of various songs from the evangelical hymn book. Book 30 comments on these hymns from the evangelical hymnal: 165 God is present 174 May it bless and protect us 243 Praise God confidently with singing 250 I praise you with all my soul 251 Heart and heart united together 264 The church is founded 276 I want, As long as I live 277 Lord, your goodness reaches as far as heaven is 284 It is precious to speak praise and praise to you 454 Up and expand hearts 460 Praise the Lord and thank him for his gifts 465 Come, Lord Jesus, be you our guest 468 Oh, dear Lord Jesus Christ, because you were a child 470 You are three in unity 479 The dear sun's light and splendor 510 Rejoice in the beautiful earth 514 God's creatures, come in heaps 527 The glory of the earth