======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '208'
                                          'artist'  'Canadian Brass'
                                     'text_people'  'Antonio Vivaldi'
                                         'release'  'Vivaldi: The Four Seasons'
                                           'title'  ('Vivaldi: Violin Concerto In F, Op. 8/3, RV 293, "The Four Seasons (Autumn)" '
 '- 3. Allegro')
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  ("['classical', 'canadian', 'instrumental', 'brass ensemble', 'brass', "
 "'christmas']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '143.011'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Vivaldi: The Four Seasons'
'TBPM' (BPM (beats per minute))                     '143.011'
'TCOM' (Composer)                                   'Antonio Vivaldi'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         ('Vivaldi: Violin Concerto In F, Op. 8/3, RV 293, "The Four Seasons (Autumn)" '
 '- 3. Allegro')
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Canadian Brass'
'TPE2' (Band/orchestra/accompaniment)               'Canadian Brass'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical',
 'canadian',
 'instrumental',
 'brass ensemble',
 'brass',
 'christmas']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.955337'

========================== row from database ==========================
                                              'id'  1284221
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/07 - autumn - iii allegro.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  208
                                           'genre'  
                                        'filesize'  5011002
                                           'mtime'  1652397930
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 07 autumn iii allegro
                                      'tag_artist'  Canadian Brass
                                     'tag_release'  Vivaldi: The Four Seasons
                                       'tag_title'  Vivaldi: Violin Concerto In F, Op. 8/3, RV 293, "The Four Seasons (Autumn)" - 3. Allegro
                                             'bpm'  143.011
                                    'search_title'  '293':14,15 '3':11,21,22 '8':10 '83':12 'allegro':23 'autumn':19,20 'concerto':4 'f':6,7 'four':17 'in':5 'op':8,9 'rv':13 'seasons':18 'the':16 'violin':3 'vivaldi':1,2
                                   'search_artist'  'brass':2 'canadian':1
                                  'search_release'  'four':4 'seasons':5 'the':3 'vivaldi':1,2
                                     'search_rest'  '00poprockelectronic':1 'allegro':9 'autumn':7 'files':5,6 'iii':8 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':31 '293':14A,15A '3':11A,21A,22A '8':10A '83':12A 'allegro':23A,39 'autumn':19A,20A,37 'brass':25B 'canadian':24B 'concerto':4A 'f':6A,7A 'files':35,36 'four':17A,29C 'iii':38 'in':5A 'loose':33,34 'op':8A,9A 'rv':13A 'seasons':18A,30C 'the':16A,28C 'unsorted':32 'violin':3A 'vivaldi':1A,2A,26C,27C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['classical', 'canadian', 'instrumental', 'brass ensemble', 'brass', 'christmas']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397930.284052  (2022-05-13 01:25:30)
                             'size'  5011002