Typical church instruments include the organ, piano, choir, and sometimes a full orchestra. The organ is a traditional instrument used in many churches for its ability to create a powerful and majestic sound. Pianos are also commonly used for their versatility and ability to accompany singers and other musicians. Choirs are a staple in many churches, providing vocal harmonies and leading congregational singing. Some churches also incorporate orchestral instruments such as strings, brass, and woodwinds to enhance their musical worship experience. **

Church music refers to the music that is performed or sung as part of religious worship in a church or other religious setting. It can include hymns, choral music, organ music, and other forms of sacred music. Church music often serves to enhance the spiritual experience of worship and can be an integral part of religious ceremonies and rituals. The style and repertoire of church music can vary widely depending on the denomination and tradition of the church. **

Drums are a specific type of percussion instrument that typically have a hollow body and a membrane that is struck to produce sound. Percussion, on the other hand, is a broader category that includes a wide range of instruments that are struck, shaken, or scraped to produce sound. While drums are a subset of percussion instruments, percussion encompasses a variety of instruments such as cymbals, tambourines, maracas, and xylophones. **

Black church music refers to the musical traditions and styles that have developed within African American churches, particularly within the context of the Black church experience in the United States. It encompasses a wide range of musical genres, including gospel, spirituals, hymns, and praise and worship music. Black church music is characterized by its powerful and emotive vocal performances, often accompanied by lively instrumentation such as piano, organ, drums, and sometimes brass instruments. It has played a significant role in shaping the cultural and musical landscape of America, and has been influential in the development of other genres such as jazz, blues, and R&B. **

Music without instruments, drums, and bass is often referred to as a cappella music. A cappella music is vocal music performed without instrumental accompaniment, relying solely on the voices of the singers to create the melody, harmony, and rhythm of the music. This style of music can range from traditional choral arrangements to contemporary pop and rock covers, showcasing the versatility and creativity of vocal performance. **

Church modes are a set of scales used in Western music during the medieval and Renaissance periods. They are based on specific patterns of whole and half steps and are used as the foundation for melodies and harmonies in compositions. There are eight church modes, each with its own unique character and sound. They were commonly used in sacred music and were an important part of the development of Western music theory. **

Yes, an atheist can write church music. The ability to write church music is not dependent on one's personal beliefs, but rather on their musical talent and understanding of the genre. Many composers throughout history have written religious music despite not sharing the same beliefs as the church they were writing for. Ultimately, the quality and authenticity of the music is what matters most, regardless of the composer's personal beliefs. **

The abbreviation for instruments in the field of percussion is "perc." This abbreviation is commonly used in music notation and discussions to refer to percussion instruments such as drums, cymbals, and other rhythm instruments. It is a convenient shorthand for indicating the percussion section in musical scores and discussions. **