Qawwali is a traditional Sufi devotional music genre that originated in the Indian subcontinent. It is often performed at weddings and other festive occasions, and typically features a group of singers accompanied by percussion instruments.

The lead singer in a wedding a cappella ensemble is typically responsible for singing the main melody of the song. They may also sing harmonies or provide vocal percussion, but their primary role is to carry the melody.

Wedding a cappella ensembles typically consist of four vocal parts: soprano, alto, tenor, and bass. This allows them to create a rich and full sound that can be heard over the noise of a wedding reception.

Wedding a cappella ensembles often perform a variety of songs, including bhajans (devotional songs), ghazals (love songs), and qawwalis (Sufi devotional songs). These songs are typically chosen for their uplifting and celebratory nature.

Wedding a cappella ensembles typically use a simple instrumentation consisting of the tabla (drums), harmonium (reed organ), and dholak (hand drum). These instruments provide rhythmic accompaniment and support the singers.

Wedding a cappella music often employs a variety of harmonies, including parallel harmony (where the voices move in parallel intervals), counterpoint harmony (where the voices move in independent lines), and modal harmony (where the voices move within a specific scale or mode).

Wedding a cappella ensembles serve a variety of purposes, including providing entertainment for the guests, creating a sacred atmosphere, and blessing the couple. Their music is often seen as a way to bring people together and celebrate the joy of the occasion.

Kirtan ensembles are a common type of wedding a cappella ensemble in North India. They typically consist of a lead singer, a harmonium player, and a tabla player. Kirtans are devotional songs that are often sung in praise of a particular deity.

Carnatic music ensembles are a common type of wedding a cappella ensemble in South India. They typically consist of a lead singer, a violinist, a mridangam player, and a ghatam player. Carnatic music is a classical music genre that is known for its complex melodies and rhythms.

The attire of a wedding a cappella ensemble can vary depending on the ensemble's cultural background and the formality of the wedding. Some ensembles may wear traditional Indian clothing, while others may wear Western formal wear or casual wear.

Baul ensembles are a common type of wedding a cappella ensemble in Bengal. They typically consist of a lead singer, a harmonium player, and a tabla player. Bauls are wandering minstrels who are known for their devotional songs and their unique style of music.

Bhangra ensembles are a common type of wedding a cappella ensemble in Punjab. They typically consist of a lead singer, a dhol player, and a tumbi player. Bhangra is a folk music genre that is known for its energetic rhythms and lively dance moves.

The duration of a wedding a cappella performance can vary depending on the ensemble's repertoire and the length of the wedding ceremony or reception. Some ensembles may perform for a short period of time, while others may perform for an hour or more.

Lavani ensembles are a common type of wedding a cappella ensemble in Maharashtra. They typically consist of a lead singer, a dholki player, and a harmonium player. Lavani is a folk music genre that is known for its lively rhythms and playful lyrics.

The fee for a wedding a cappella ensemble can vary depending on the ensemble's experience, reputation, and location. Some ensembles may charge a flat fee, while others may charge an hourly rate.