======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '218'
                                          'artist'  'Wendy Carlos'
                                     'text_people'  ''
                                         'release'  'Swirched-On Bach'
                                           'title'  "Chorale Prelude 'Wachet Auf'"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
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 "'Q-PIANO-2', 'q-chart-3', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
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                                      'lastfmtags'  "['soundtrack', 'electronic', 'experimental', 'classical', 'moog']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth'
                                             'bpm'  '121.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Swirched-On Bach'
'TBPM' (BPM (beats per minute))                     '121.0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth']
'TDRC' (Recording time)                             '1968'
'TENC' (Encoded by)                                 'FairStars Audio Converter'
'TIT2' (Title/songname/content description)         "Chorale Prelude 'Wachet Auf'"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wendy Carlos'
'TRCK' (Track number/Position in set)               '09'
'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:lastfmtags'                                   ['soundtrack', 'electronic', 'experimental', 'classical', 'moog']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                        '+1.08 dB'
'TXXX:replaygain_track_peak'                        '0.681078'

========================== row from database ==========================
                                              'id'  1518551
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wendy Carlos/[1968] Switched-On Bach/09. Chorale Prelude _Wachet Auf_.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  218
                                           'genre'  electronic-experimental-early;mi-earlysynth
                                        'filesize'  6981504
                                           'mtime'  1636401912
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1968] Switched 09. _Wachet Auf_ electronic experimental early;mi earlysynth
                                      'tag_artist'  Wendy Carlos
                                     'tag_release'  Swirched-On Bach
                                       'tag_title'  Chorale Prelude 'Wachet Auf'
                                             'bpm'  121.0
                                    'search_title'  'auf':5,6 'chorale':1 'prelude':2 'wachet':3,4
                                   'search_artist'  'carlos':2 'wendy':1
                                  'search_release'  'bach':4 'on':2 'swirched':1 'swirchedon':3
                                     'search_rest'  '09':4,5 '1968':1,2 'auf':7 'early':10,12 'earlysynth':14 'electronic':8 'experimental':9 'mi':11,13 'switched':3 'wachet':6
                                    'search_combo'  '09':16,17 '1968':13,14 'auf':5A,6A,19 'bach':12C 'carlos':8B 'chorale':1A 'early':22,24 'earlysynth':26 'electronic':20 'experimental':21 'mi':23,25 'on':10C 'prelude':2A 'swirched':9C 'swirchedon':11C 'switched':15 'wachet':3A,4A,18 'wendy':7B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           '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-2', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'electronic', 'experimental', 'classical', 'moog']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401912.0591311  (2021-11-08 21:05:12)
                             'size'  6981504