Complex sentence: While on tour in the US, Radiohead spent a day in the recording studio of White Stripes guitarist Jack White and recorded two new songs, as yet unreleased; in April 2013, Yorke said the recordings were "unfinished homework".
Split into simpler sentences: While on tour in the US, Radiohead spent a day in the recording studio of White Stripes guitarist Jack White and recorded two new songs. In April 2013, Yorke said the recordings were "unfinished homework".