Super Mario Bros. 2: Super Mario Bros 2: All-Stars Style Audio

While https://www.romhacking.net/hacks/7834/ aimed to restore the audio of Dream Factory: Heart Pounding Panic as closely as it can, SMB2: All-Stars Style Audio does the opposite, replicating the sound of the SNES version, only with NES Limitations specifically.

In the ZIP, the normal patch file as well as an NSF is included.

WARNING: As of v1.4, the pause menu can get stuck by highlighting all 3 options. If this happens, simply re-pause and it should be normal again.

v1.4 Changes:
-Unlimited continues
-Higher noise update definition
-Noise sound effects are treated bytewise now
-New drum roll sound effect plays when reels 1 and 2 match in the bonus game.
-Triangle channel now can hold notes with $F?.
-Level palettes and headers have been edited to match All-Stars equivalent backgrounds.
-Mixer and bongo bugs have been fixed
-Replaced pause tracks with a DPCM sound effect cue
-Replaced WRAM with SRAM, and implemented saving
-Replaced SMB3 Timpani with sample from All-Stars
-Fixed a volume adjustment bug in the Noise SFX/Drum routine

v1.3 changes:
-Added the missing All-Stars audio, even if not all can be used due to NES limitations
-Music and DPCM SFX are treated bytewise now in order to fit more without using extra RAM
-Audio banking optimizations
-Corrected ending percussion, adjusted rit. to happen one segment earlier
-New and altered queuing code to use some of the new sounds
-Ending has been given a graphical facelift; only the Mario sleeping scene is unchanged
-Adjusted NSF code to work with new upgrades

V1.2 Changes:
-Wart music data corrected once again
-Enhanced Pulse1 SFX data
-Toggle-able sweep with death jingle
-Fixed a return from subspace queue bug
-Fixed resulting wrong BGM bug
-Overhauled triangle/hill linearity handling
-Changed music data to accommodate new linearity handling
-Tempos adjusted for better accuracy
-Audiovisual timing has been tightened up in a few areas
-Title screen modified to match SNES as close as possible
-Fixed pause tracks bug

V1.1 Changes:
-Fixed POW log glitch
-Fixed climb zip
-Fixed subspace tiles
-Corrected music/sfx data
-Optimized sound engine
-Fixed airmailing glitch
-Corrected ending scene transition timing
-Fixed POW sprite art
-Fixed subspace music glitch
-Updated life count to match SMAS
-Fixed a rocket and door pause bugs
-Corrected wait time for slot loss

Changes from vanilla & DSAS:
-Character Select after death
-Music bank-switching (for greater instrument variety)
-Expanded sawtooth DPCM range (E1-B5)
-Fully overhauled soundtrack
-Samples taken from SMAS
-Triangle bongos
-Expanded Pulse/Triangle range where applicable
-Doubled music data pointer space
-Improved music data offset handling
-General time flow is closer to the SMAS version
-Vastly improved note length handling / custom definitions per bank
-Dynamic sounds based on SMAS version (with a few limitation related differences)
-Removed ending condition from DSAS regarding warps
-Added sound queues from SMAS where there was silence (autobomb, charge jump, etc.)
-Removed bomb sound effect queue from DSAS 1.3
-Dynamic track muting when pausing depending on the song playing

Database match: Super Mario Bros. 2 (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 7DF0F595B074F587C6A1D8F47E031F045D540DAE
File CRC32: 7D3F6F3D
ROM SHA-1: 43AC7C7AAF1846EAD7B544302BB9131E4964FD32
ROM CRC32: 57AC67AF