Tenn. Code Ann. § 20-1-107: Several liability on joint obligations

All joint obligations and promises are made joint and several, and the debt or obligation shall survive against the heirs and personal representatives of deceased obligors as well as against the survivors, and suits may be brought and prosecuted on the obligations and promises against all or any part of the original obligors, and all or any part of the representatives of deceased obligors, as if such obligations and assumptions were joint and several.