main.py

from kivy.app import App
from kivy.lang import Builder
from kivy.core.audio import SoundLoader
from kivy.uix.widget import Widget
from kivy.core.window import Window


kv = '''
<SoundBoard>:
    GridLayout:
        rows: 5
        Label:
            text: "Q: sound01"
        Label:
            text: "W: sound02"
        Label:
            text: "E: sound03"
        Label:
            text: "R: sound04"
        Label:
            text: "T: sound05"
        Label:
            text: "A: sound06"
        Label:
            text: "S: sound07"
        Label:
            text: "D: sound08"
        Label:
            text: "F: sound09"
        Label:
            text: "G: sound10"
        Label:
            text: "Z: sound11"
        Label:
            text: "X: sound12"
        Label:
            text: "C: sound13"
        Label:
            text: "V: sound14"
        Label:
            text: "B: sound15"

'''


class SoundBoard(Widget):

    def __init__(self, **kwargs):
        super(SoundBoard, self).__init__(**kwargs)
        self._keyboard = Window.request_keyboard(
            self._keyboard_closed, self, 'text')
        self._keyboard.bind(on_key_down=self._on_keyboard_down)
        self.sound_effects = {
            'q':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test1.wav'),
            'w':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test2.wav'),
            'e':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test3.wav'),
            'r':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test1.wav'),
            't':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test2.wav'),
            'a':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test3.wav'),
            's':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test1.wav'),
            'd':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test2.wav'),
            'f':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test3.wav'),
            'g':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test1.wav'),
            'z':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test2.wav'),
            'x':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test3.wav'),
            'c':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test1.wav'),
            'v':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test2.wav'),
            'b':SoundLoader.load('/Users/gray/Desktop/evildeadsounds/test3.wav')}

    def _on_keyboard_down(self, keyboard, keycode, text, modifiers):
        self.sound_effects[text].play()

    def _keyboard_closed(self):
        pass

Builder.load_string(kv)

class SoundboardApp(App):
    def build(self):
        return SoundBoard()

if __name__ == '__main__':
    SoundboardApp().run()

traceback

[INFO   ] [Logger      ] Record log in /Users/gray/.kivy/logs/kivy_14-10-23_10.txt
[INFO   ] Kivy v1.8.1-dev
[INFO   ] [Python      ] v2.7.6 (v2.7.6:3a1db0d2747e, Nov 10 2013, 00:42:54)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
[INFO   ] [Factory     ] 169 symbols loaded
[DEBUG  ] [Cache       ] register <kv.lang> with limit=None, timeout=Nones
[DEBUG  ] [Cache       ] register <kv.image> with limit=None, timeout=60s
[DEBUG  ] [Cache       ] register <kv.atlas> with limit=None, timeout=Nones
[DEBUG  ] [Image       ] option <imageio> ignored by config
[DEBUG  ] [Image       ] option <tex> ignored by config
[DEBUG  ] [Image       ] option <dds> ignored by config
[DEBUG  ] [Image       ] option <pil> ignored by config
[INFO   ] [Image       ] Providers: img_pygame, img_gif (img_imageio, img_tex, img_dds, img_pil ignored)
[DEBUG  ] [Cache       ] register <kv.texture> with limit=1000, timeout=60s
[DEBUG  ] [Cache       ] register <kv.shader> with limit=1000, timeout=3600s
[DEBUG  ] [Audio       ] register SoundPygame
[INFO   ] [Audio       ] Providers: audio_pygame (audio_pygst, audio_ffpyplayer, audio_sdl ignored)
[DEBUG  ] [Window      ] Ignored <egl_rpi> (import error)
[INFO   ] [Window      ] Provider: pygame(['window_egl_rpi'] ignored)
[DEBUG  ] [Window      ] Display driver Quartz
[DEBUG  ] [Window      ] Actual window size: 800x600
[DEBUG  ] [Window      ] Actual color bits r8 g8 b8 a8
[DEBUG  ] [Window      ] Actual depth bits: 24
[DEBUG  ] [Window      ] Actual stencil bits: 8
[DEBUG  ] [Window      ] Actual multisampling samples: 4
[INFO   ] [GL          ] OpenGL version <2.1 INTEL-8.26.34>
[INFO   ] [GL          ] OpenGL vendor <Intel Inc.>
[INFO   ] [GL          ] OpenGL renderer <Intel HD Graphics 4000 OpenGL Engine>
[INFO   ] [GL          ] OpenGL parsed version: 2, 1
[INFO   ] [GL          ] Shading version <1.20>
[INFO   ] [GL          ] Texture max size <16384>
[INFO   ] [GL          ] Texture max units <16>
[DEBUG  ] [Shader      ] Fragment compiled successfully
[DEBUG  ] [Shader      ] Vertex compiled successfully
[DEBUG  ] [ImagePygame ] Load </Applications/Kivy.app/Contents/Resources/kivy/kivy/data/glsl/default.png>
[INFO   ] [Window      ] virtual keyboard not allowed, single mode, not docked
[DEBUG  ] [App         ] Loading kv <./soundboard.kv>
[DEBUG  ] [App         ] kv <./soundboard.kv> not found
[INFO   ] [Text        ] Provider: pygame
python2.7(97262,0x7fff7eb1b310) malloc: *** error for object 0x10ab18ae0: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
Abort trap: 6