Oral history
Oral history is the collection and study of historical
History is the discovery, collection, organization, and presentation of information about past events. History can also mean the period of time after writing was invented. Scholars who write about history are called historians...

 information about individuals, families, important events, or everyday life using audiotapes, videotapes, or transcriptions of planned interview
An interview is a conversation between two people where questions are asked by the interviewer to obtain information from the interviewee.- Interview as a Method for Qualitative Research:"Definition" -...

s. These interviews are conducted with people who participated in or observed past events and whose memories and perceptions of these are to be preserved as an aural record for future generations. Oral history strives to obtain information from different perspectives, and most of these cannot be found in written sources.