In western lands beneath the Sun
The flowers may rise in Spring,
The trees may bud, the waters run,
The merry finches sing.
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No - it was sung by Samwise Gamgee in the tower at Cirith Ungol. 'And then suddenly new strength rose in him, and his voice rang out, while words of his own came unbidden to fit the simple tune.' (Lord of the Rings, book six, chapter 1 'The Tower of Cirith Ungol.')
This is a poem by Bilbo, written at the end of the Hobbit.
'I will not say the day is done, Nor bid the stars good-bye' you're not beaten until you stop trying always believe in the right