The recorded lesson focuses on hobbies related to dance and music, specifically introducing eight new Chinese characters related to these themes. Students are taught the vocabulary for dance, such as “跳舞” (tiào wǔ, to dance) and “舞蹈” (wǔdǎo, dance), and how to express playing instruments like the violin (“拉小提琴” – lā xiǎotíqín). The lesson emphasizes personal interests and practice routines, where the speaker shares their experience of learning dance from age four and playing the violin from age six.