Kana Asumi
Two pieces of theme music are used for each season: one opening theme sung by Kana Asumi, Kaori Mizuhashi, Yūko Gotō, and Ryōko Shintani, and one ending theme by Marble. For "Hidamari Sketch", the opening theme is and the ending theme is . For "Hidamari Sketch × 365", the opening theme is and the ending theme is . For "Hidamari Sketch × Hoshimittsu", the opening theme is and the ending theme is . For "Hidamari Sketch x SP", the opening theme is and the ending theme is "Nora". For "Hidamari Sketch x Honeycomb", the opening theme is by Asumi, Mizuhashi, Shintani, Goto, Chiaki Omigawa, and Hitomi Harada; the ending theme is by Marble.