Federal Acquisition Regulation (FAR) 15.201(e) to legally establish that the posting is strictly for market research, is not a solicitation, and does not obligate the Government to award a contract or pay for any response costs THIS IS A SOURCES SOUGHT NOTICE / REQUEST FOR INFORMATION (RFI) ONLY. "responses are not offers" These are the items we are looking to procure, guidance from AR 220-90 and DA Pam 220-90: (QTY 2) The Yamaha YHR-871IID's medium-sized yellow brass bell ensures that this horn covers everything from mellow soft passages to brassy loud passages with equal aplomb. And it sounds outstanding in all registers, with a secure high register, robust projection, and snappy attack from its Bb horn and a rich, warm timbre from its F horn. This bell employs a thick rim wire, which ensures a rich, deep tone with a solid core. Lastly, the YHR-871IID features a clear lacquer finish that adds a delicate warmth to your overall sound. The YHR-871IID features gold brass inner tubes on all tuning sides to enhance its tonal clarity and depth, while the round main tuning slide ensures ideal blowing resistance. A nickel-silver valve casing ensures superior response and long-lasting durability, bolstered by a hollow rotor that further refines the horn's tone and articulation. The YHR-871IID has a fourth thumb lever and pinky hook, and the Bb second valve slide includes a convenient long-pull ring for easy handling. The 0.476-in. bore facilitates an incredibly full-bodied sound and impressive volume. (QTY 2) The Fox 880G grenadilla Sayen professional oboe is hewn from select grenadilla. Grenadilla is the material of choice for professional instruments, and, on top of having a beautiful look, it provides a rich and resonant tone. The Fox 880G includes stainless steel arbors and wire springs, trill keys, a third-octave key, nickel-silver-lined tenon sockets, and nickel silver caps on the lower tenon shoulders. Additionally, the Fox 880 is outfitted with high-quality cork pads throughout for reliable and responsive performance. The Fox 880 oboe offers a full conservatory key system with silver-plated keys, which includes a third-octave key, a left-hand F, an F resonance mechanism, a B tab, an articulated C# mechanism, a split D ring, a low Bb with vent key, a Philadelphia high D key, and numerous trill keys. Includes third octave key, left-hand F, F resonance mechanism, B tab, articulated C# mechanism, split D ring, and low Bb with vent key. Trill keys: Ab–Bb; G#–A; C–D; B–C#; low C–C#. (QTY 2) Püchner bassoons feature in orchestras all over Europe, and have a renewed following in the US. The wood, curly mountain maple, ages for over 20 years in their workshop. The new bore design, which is the same among all of Püchner's models, is thick-walled and allows for greater projection and volume without sacrificing tone quality or flexibility. The keys feature silver plating. All Püchner bassoons possess full professional key work: high D and E k…