Update README.md

Update README: fix schema section for Parquet format

Update README: switch configs to Parquet paths

Remove d7b WAV files (audio embedded in Parquet)

Convert pitchbench_f2_melodic_line_tonal to Parquet

Convert pitchbench_f1_melodic_line_atonal to Parquet

Convert pitchbench_e6_slightly_off to Parquet

Convert pitchbench_e5_vibrato to Parquet

Convert pitchbench_e4_time_stretching to Parquet

Convert pitchbench_e3_harmonic_saturation to Parquet

Convert pitchbench_e2_background to Parquet

Convert pitchbench_e1_audio_effects to Parquet

Convert pitchbench_d8_sequence_pitches to Parquet

Convert pitchbench_d7a_pitch_with_reference to Parquet

Convert pitchbench_d6_sequence_dyad_interval to Parquet

Convert pitchbench_d5_sequence_ranking_by_pitch to Parquet

Convert pitchbench_d4_contour_continuous to Parquet

Convert pitchbench_d3_contour_discrete to Parquet

Convert pitchbench_d2_dyad_lower_higher_difference to Parquet

Convert pitchbench_d1_sequence_count_pitches to Parquet

Convert pitchbench_c4_chord_pitches to Parquet

Convert pitchbench_c3_chord_quality to Parquet

Convert pitchbench_c2_chord_dyad_interval to Parquet

Convert pitchbench_c1_chord_count_pitches to Parquet

Convert pitchbench_b5_timestamp_multiple_pitches to Parquet

Convert pitchbench_b4_timestamp_specific_pitch to Parquet

Convert pitchbench_b3_timestamp_single_pitch to Parquet

Convert pitchbench_b2_pitch_at_timestamp to Parquet

Convert pitchbench_b1_single_pitch_within_silence to Parquet

Convert pitchbench_a3_single_pitch_by_duration to Parquet

Convert pitchbench_a2_single_pitch_by_loudness to Parquet

Convert pitchbench_a1_single_pitch_id to Parquet

fix: d7b point config to push_to_hub parquet, remove stale test.parquet

fix: d7b push dual-audio parquet via push_to_hub

fix: d7b rename audio cols to audio_1/audio_2, delete conflicting metadata.jsonl

fix: d7b — pre-built parquet with audio + audio_ref as dual Audio columns

fix: replace ~ with - in d4 glide filenames for HF URL compatibility

Delete pitchbench_d4_contour_continuous/Fs3~B2_sine_glide_5000ms_valley.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs3~As3_triangle_glide_5000ms_arch.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs3~As3_sine_glide_5000ms_linear.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~G1_triangle_glide_5000ms_linear.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~G1_sawtooth_glide_5000ms_arch.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~Fs2_sawtooth_glide_5000ms_linear.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~Fs2_sawtooth_glide_5000ms_arch.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~Fs0_triangle_glide_5000ms_valley.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~Fs0_sine_glide_5000ms_linear.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~F1_square_glide_5000ms_valley.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~F1_sine_glide_5000ms_linear.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~D1_sine_glide_5000ms_linear.wav with huggingface_hub

Delete pitchbench_d4_contour_continuous/Fs1~D1_sawtooth_glide_5000ms_valley.wav with huggingface_hub