======================== unified (from filesystem) ========================
                                         'bitrate'  '191.261'
                                        'duration'  '739'
                                          'artist'  'COIL'
                                     'text_people'  ''
                                         'release'  'Musick to Play in the Dark Vol. 2'
                                           'title'  'Tiny Golden Books'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['dark ambient', 'clinically romantic', 'industrial', 'electronic', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '115.6'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Musick to Play in the Dark Vol. 2'
'TBPM' (BPM (beats per minute))                     '115.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Tiny Golden Books'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Coil'
'TPE2' (Band/orchestra/accompaniment)               'COIL'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient',
 'clinically romantic',
 'industrial',
 'electronic',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.828154'

========================== row from database ==========================
                                              'id'  1306736
                                            'path'  /data/Music/Bulk/00poprockelectronic/Coil/2000 musick to play in the dark vol. 2/02. tiny golden books.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  739
                                           'genre'  electronic-ambient-dark
                                        'filesize'  17683886
                                           'mtime'  1636910371
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Coil 2000 musick play dark vol. 02. tiny golden books electronic ambient dark
                                      'tag_artist'  COIL
                                     'tag_release'  Musick to Play in the Dark Vol. 2
                                       'tag_title'  Tiny Golden Books
                                             'bpm'  115.6
                                    'search_title'  'books':3 'golden':2 'tiny':1
                                   'search_artist'  'coil':1
                                  'search_release'  '2':9 'dark':6 'in':4 'musick':1 'play':3 'the':5 'to':2 'vol':7,8
                                     'search_rest'  '00poprockelectronic':1 '02':9,10 '2000':3 'ambient':15 'books':13 'coil':2 'dark':6 'electronic':14 'golden':12 'musick':4 'play':5 'tiny':11 'vol':7,8
                                    'search_combo'  '00poprockelectronic':14 '02':22,23 '2':13C '2000':16 'ambient':28 'books':3A,26 'coil':4B,15 'dark':10C,19 'electronic':27 'golden':2A,25 'in':8C 'musick':5C,17 'play':7C,18 'the':9C 'tiny':1A,24 'to':6C 'vol':11C,12C,20,21
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'clinically romantic', 'industrial', 'electronic', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910370.7001827  (2021-11-14 18:19:30)
                             'size'  17683886