SAD SACK MORGAN SCHEMES TO AVOID JAIL IN CHAIR-TOSS

COUNTRY bad boy Morgan Wallen kicked off a private apology tour after being arrested for tossing a chair off a bar rooftop in downtown Nashville!

- 

But sources snitch the mea culpa marathon was a strategic attempt to avoid a potential six-year prison stint if he's criminally convicted.

Lawmen say on April 7 the hotheaded hitmaker hurled the chair from atop Chief's Bar a watering hole owned by fellow country star Eric Church- and the flying furniture landed just a few feet from local cops!

The Wasted on You singer, who turns 31 on May 13, was slapped with three felony counts of reckless endangerment, as well as a disorderly conduct charge.

Less than two weeks later, woeful Wallen whined, "I didn't feel right publicly checking in until I made amends with some folks.