Four girls from K-On! in school uniforms HD Wallpaper

Four anime girls in blue school uniforms stand side-by-side against a white background with red polka dots. The girl on the far left has short blonde hair and is smiling. The second girl from the left has brown hair and is holding a guitar case. The third girl from the left has long black hair and is looking forward. The girl on the far right has long blonde hair and is also looking forward.