Song of Innocence and Song of Experience' are authored by -

• 'Song of Innocence and Song of Experience' are written by - William Blake
- ইংরেজি সাহিত্যে এই দুইটি সাহিত্য রচনাকে  masterpieces of English lyric poetry হিসেবে অভিহিত করা হয়। 
- Songs of Innocence, ১৭৮৯ সালে প্রকাশিত হয় 
- এবং এটিকে Blake এর প্রথম first great demonstration of “illuminated printing বলা হয় - his unique technique of publishing both text and hand-coloured illustration together.
- Blake published Songs of Experience and combined it with his previous lyrics to form Songs of Innocence and of Experience Shewing the Two Contrary States of the Human Soul.
- The poems of Songs of Experience center on threatened, unprotected souls in despair.

• Willaim Blake one of the greatest Romantic poets who is considered to be one of the greatest visionaries of the early Romantic era.
- He was both a painter and Poet.

• Best works:
- The Marriage of Hell and Heaven,
- Songs of Innocence,
- Songs of Experience, etc.
- The Book of Thel
- The French Revolution

Source: An ABC of English Literature by Dr M Mofizar Rahman and Britannica.