static Vamp::PluginAdapter<Onset> onsetAdapter;
static Vamp::PluginAdapter<Pitch> pitchAdapter;
static Vamp::PluginAdapter<Notes> notesAdapter;
static Vamp::PluginAdapter<Tempo> tempoAdapter;
static Vamp::PluginAdapter<Silence> silenceAdapter;
static Vamp::PluginAdapter<Onset> onsetAdapter;
static Vamp::PluginAdapter<Pitch> pitchAdapter;
static Vamp::PluginAdapter<Notes> notesAdapter;
static Vamp::PluginAdapter<Tempo> tempoAdapter;
static Vamp::PluginAdapter<Silence> silenceAdapter;