In what year was the album “Seven Springs of APink” released by Apink?

In what year was the album “Seven Springs of APink” released by Apink?: The album “Seven Springs of APink” was released in 2010 by Apink, featuring 5 tracks.
What is the most successful song from the album “Seven Springs of APink” by Apink?: “Boo” is the biggest hit from the album “Seven Springs of APink” by Apink.

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