1, search in the video sharing platform: open the video sharing platform (such as Jitterbug, Shutterbug, Bilibili, etc.), use keywords to search for "northern Shaanxi singers", "Shaanbei folk song", "Shaanbei region music" and other related terms, browse the search results, you may find some unknown singer's musical works or related videos.
2. Focus on music promotion platforms or channels: focus on some video numbers or channels that specialize in promoting local music or folk art, and they may share the works of some unknown singers. These platforms usually have some local music features or recommendations, which will help you discover more unknown singers.
3. Consult with local music lovers or music organizations: You can consult with music circles or music communities in northern Shaanxi to learn about some unknown but potential singers from local music lovers, music teachers or music organizations. They may provide some valuable information or recommend some noteworthy talents.
4, participate in music activities and performances: participate in some of the northern Shaanxi region's music activities, music festivals, performances or competitions, these occasions will often have some new singers performances, there is a chance to discover some unknown but talented singers. Note that information on unknown singers is relatively difficult to find and requires some patience and time. In addition, it is very important to respect the singers and their copyrights, and to follow the relevant copyright laws and regulations if you want to share or redistribute their works on the Internet.