======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'Don Voegeli'
                                     'text_people'  ''
                                         'release'  'Oscillations 1'
                                           'title'  "Cock O' The Walk"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['synth', 'avant garde', 'library music', 'experimental', 'easy listening']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth'
                                             'bpm'  '92.8'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Oscillations 1'
'TBPM' (BPM (beats per minute))                     '92.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth']
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         "Cock O' The Walk"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Don Voegeli'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['synth', 'avant garde', 'library music', 'experimental', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.840996'
'TXXX:tracknum'                                     'A01'

========================== row from database ==========================
                                              'id'  1510971
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Electrosonic Studio - Don Voegeli - Oscillations 1 (1972)/A01 Cock O_ The Walk.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  electronic-experimental-early;mi-earlysynth
                                        'filesize'  6106361
                                           'mtime'  1622756603
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Electrosonic Studio (1972) A01 O_ electronic experimental early;mi earlysynth
                                      'tag_artist'  Don Voegeli
                                     'tag_release'  Oscillations 1
                                       'tag_title'  Cock O' The Walk
                                             'bpm'  92.8
                                    'search_title'  'cock':1 'o':2,3 'the':4 'walk':5
                                   'search_artist'  'don':1 'voegeli':2
                                  'search_release'  '1':2 'oscillations':1
                                     'search_rest'  '1972':3,4 'a01':5 'early':9,11 'earlysynth':13 'electronic':7 'electrosonic':1 'experimental':8 'mi':10,12 'o':6 'studio':2
                                    'search_combo'  '1':9C '1972':12,13 'a01':14 'cock':1A 'don':6B 'early':18,20 'earlysynth':22 'electronic':16 'electrosonic':10 'experimental':17 'mi':19,21 'o':2A,3A,15 'oscillations':8C 'studio':11 'the':4A 'voegeli':7B 'walk':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['synth', 'avant garde', 'library music', 'experimental', 'easy listening']
                                        'tag_date'  1972
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622756603.3577402  (2021-06-03 23:43:23)
                             'size'  6106361