The only context you need for the first is the original song by Robin Thicke. Watch that, feel your soul swiftly destroyed, then watch this version and feel your heart lift again with its fucking brilliance.
Next up Amanda Palmer sings a letter to the Daily Mail, after their article about her 'wardrobe malfunction' at Glastonbury. What a legend.
(skip to 2.28 if you're time-limited and want to jump straight to the song)