"Face-to-face instruction," as the phrase suggests, is when an instructor and students at a non-profit educational institution are together in a single place devoted to instruction, and where the teaching and learning takes place at the same time. In this setting all performances and displays of a work are allowed, provided that all the materials are legally acquired.
Many materials are available to use free of charge. If you want to use digital materials such as text, images, audio and film clips, start by looking for sources that don't require special permission. These may include:
Resources for Teaching Faculty, Part I: Uses in the Traditional Face-to-Face Classroom (Association of Research Libraries) - This website addresses some of the frequently asked questions regarding copyright that may arise in the course of face-to-face instruction.