Simple MIDI .wav Python player for FGDP-50 Hang Drum fun

hang_player.py

import mido, os, random
import simpleaudio as sa

INPUT = "./Hang Drum Samples"
wavs = {}
for x in os.listdir(INPUT):
    if x.endswith(".wav") and len(x) == 7:
        wavs.setdefault(x[0], []).append(x)

note_map = {
    36: "A",
    37: "B",
    38: "C",
    40: "D",
    42: "E",
    43: "F",
    46: "G",
    47: "H",
    48: "A",
    49: "B",
    51: "C",
    53: "D",
    55: "E",
    57: "F",
    60: "G",
    61: "H",
    62: "A",
    63: "B",
    64: "C",
    65: "D",
    66: "E",
    67: "F",
}


with mido.open_input() as inport:
    for msg in inport:
        if msg.type == "clock":
            continue
        try:
            if msg.velocity == 0:
                continue
        except:
            continue
        wav = wavs.get(note_map.get(msg.note))
        if wav:
            norm_velocity = msg.velocity / 127
            choice = int(norm_velocity * len(wav))
            wavv = wav[choice - 1]
            sound = sa.WaveObject.from_wave_file(os.path.join(INPUT, wavv))
            sound.play()
        else:
            print("No sound for note", msg.note)