Task: Translation
Input (Japanese): 後に彼は、彼自身のバーを開き、何人かのメンバーの友となって、ジャクソンビルの彼らのコンサートで彼らを紹介すらした。
Output (English): In later years he opened up his own bar and became friends with some members of the group and even introduced them at one of their concerts in Jacksonville.