Meaning: The quote refers to the evolution of instrumentation in jazz bands, particularly focusing on the changes that occurred during the 1920s. It is attributed to Gerry Mulligan, a renowned jazz musician known for his expertise in playing the saxophone and his influential contributions to the development of jazz music. Mulligan's statement highlights the dynamic nature of jazz instrumentation and the significant shifts that have taken place over time.

During the 1920s, jazz music experienced a period of rapid expansion and innovation, often referred to as the "Roaring Twenties." This era saw the emergence of new musical styles and the popularization of jazz music across various social and cultural settings. As part of this musical renaissance, jazz bands underwent significant transformations, particularly in terms of their instrumentation and arrangements.

Mulligan's reference to the tradition of "two or three saxophones" during the 1920s reflects the prevalent use of these instruments in jazz ensembles of that time. The saxophone, with its rich and expressive tonal qualities, played a pivotal role in shaping the sound of early jazz bands. Alongside other instruments such as trumpets, trombones, pianos, and rhythm section components like drums and double bass, saxophones formed the core ensemble of many jazz groups during this period.

The evolution of jazz instrumentation can be attributed to a variety of factors, including technological advancements, musical experimentation, and shifts in artistic preferences. As jazz music continued to evolve, musicians and bandleaders began to explore new possibilities for instrument combinations and arrangements, leading to the diversification of jazz band instrumentation.

One of the key developments that contributed to the expansion of jazz instrumentation was the introduction of larger ensembles and orchestras. As jazz entered the swing era in the 1930s and 1940s, big bands became increasingly popular, featuring expanded horn sections, reed instruments, and rhythm sections. This shift towards larger ensembles allowed for more complex and layered musical textures, giving rise to iconic jazz orchestras led by bandleaders such as Duke Ellington, Count Basie, and Glenn Miller.

In addition to the expansion of traditional jazz band instrumentation, the incorporation of new instruments and musical influences further enriched the sonic palette of jazz music. Innovations such as the introduction of electric instruments, including the electric guitar and electric bass, brought a modern edge to jazz ensembles, contributing to the development of fusion and jazz-rock styles in later decades.

Furthermore, the fusion of jazz with other musical genres and global influences led to the incorporation of non-traditional instruments and multicultural elements in jazz bands. This cross-pollination of musical traditions and styles brought about a broader sonic diversity within the jazz genre, reflecting the evolving nature of jazz instrumentation and its capacity for embracing new sounds and expressions.

In conclusion, Gerry Mulligan's quote encapsulates the dynamic evolution of jazz band instrumentation, particularly highlighting the changes that occurred during the 1920s. From the traditional use of two or three saxophones to the expansion of ensembles and the integration of new instruments, the history of jazz instrumentation reflects a continuous process of innovation and adaptation. As jazz music continues to evolve, the exploration of new sonic possibilities and the fusion of diverse influences ensure that the tradition of inventive instrumentation remains a defining characteristic of the jazz genre.