Baek was a position of politicians who were responsible for administration, judicial affairs and economy in the district.
When he was in the position of Sangsanbaek, he tried to be just and fair in all the administrative affairs and strived to enhance the welfare of his people.
He also focused on education for the youth and courtesy for people, which made his district famous for most excellent behaviors in the nation.
After the rebels were put down, Song In was posthumously named 'meritous subject' and titled Lord Sangsanbaek (상산백).
In front of his tomb stands the jaesil (chamber for memorial rites) with the tablet reading 'Sangsanjae'.
The beautiful peak behind his grave is called Mountain Bibong which was named after Bongsae (bird) that is said to live in heaven and to fly down to sit on the summit.