Exuberant is the word which best describes the tone of the stanzas.
The tone of a piece of writing expresses the writer's attitude towards the subject or the reader.Words like happy,sad,melancholy,absurd,aggressive,amused,angry,animated,arrogant,assertive,bitter,callous,caustic,comic etc can set the tone of a piece of writing.
Hi! my favorite hobby is fishing.I like fishing. beacuse it gives me the pleasure of full-selfillment.My dad introduced me fishing.I do it 5 times a week.I feel very bored when I have to wait hours to catch a fish but I feel pretty happy when I catch a fish fast.