Group 1 - A high-level string music concert was held at the Ma Jiao Qiao Town Elderly Service Center, providing artistic enjoyment to dozens of elderly attendees [1] - The concert is part of the "Deep into Life, Rooted in the People - National Grand Theatre's Hundred Public Welfare Performances," tailored to the preferences of the elderly audience [1] - The performance featured a selection of well-known classical pieces, with adjustments made to the concert's duration and interaction pace to suit the elderly audience [1] Group 2 - The performance included pieces such as Bach's "Minuet" and the folk song "Arirang," showcasing a blend of Western classics and ethnic melodies that resonated with the audience [1] - The musicians engaged with the audience by explaining the characteristics of the instruments and the emotional depth of the compositions, enhancing the overall experience [2] - The average age of the audience was over 70, highlighting the importance of addressing the spiritual needs of the elderly through accessible artistic experiences [2]