same goes for me stephen, i just learnt clocks too and im also new i do play guitar so i'm not entirely new to notes and music etc.. but i'm wondering just like you what's good to practise next..

Try to find some of Tchaikovsky's The Seasons, I'm not sure of your abilities, but the grander the piece the more skill required, and in the end the better you must become. I wish you the best in learning and making music.