This week's Trending Up looks at the inauguration's impact on consumption for its biggest performers, as well as newly viral older songs for Hozier and Julie Doiron.

Carrie Underwood's Trump inauguration performance stirs controversy, sparking concerns over 'American Idol's' values and ratings.

Lily Allen and Miquita Oliver takes us back to the 00s with a curated playlist of hits. 6 Music 00s Forever... The Knife, Interpol, Deftones, Peaches and more. 6 Music 00s Forever special with ...