======================== unified (from filesystem) ========================
                                         'bitrate'  '251.117'
                                        'duration'  '314'
                                          'artist'  'Roxy Music'
                                     'text_people'  ''
                                         'release'  'Siren'
                                           'title'  'End of the Line'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'rock', 'classic rock', 'glam rock']"
                                     'discogstags'  "['electronic', 'rock', 'glam', 'prog rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-pop-glam'
                                             'bpm'  '104.336'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Siren'
'TBPM' (BPM (beats per minute))                     '104.336'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-glam'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'End of the Line'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roxy Music'
'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-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'glam', 'prog rock', 'classic rock']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'rock', 'classic rock', 'glam rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.733370'

========================== row from database ==========================
                                              'id'  1349359
                                            'path'  /data/Music/Bulk/00poprockelectronic/Roxy Music/MBZ;#Roxy Music;#Siren;#02;#End of the Line.mp3
                                         'working'  None
                                         'bitrate'  251
                                    'duration_sec'  314
                                           'genre'  rock-pop-glam
                                        'filesize'  9860544
                                           'mtime'  1642081445
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Roxy Music;#Siren;#02;#End rock pop glam
                                      'tag_artist'  Roxy Music
                                     'tag_release'  Siren
                                       'tag_title'  End of the Line
                                             'bpm'  104.336
                                    'search_title'  'end':1 'line':4 'of':2 'the':3
                                   'search_artist'  'music':2 'roxy':1
                                  'search_release'  'siren':1
                                     'search_rest'  '00poprockelectronic':1 '02':8,12 'end':9,13 'glam':16 'mbz':2,4 'music':6,10 'pop':15 'rock':14 'roxy':3,5 'siren':7,11
                                    'search_combo'  '00poprockelectronic':8 '02':15,19 'end':1A,16,20 'glam':23 'line':4A 'mbz':9,11 'music':6B,13,17 'of':2A 'pop':22 'rock':21 'roxy':5B,10,12 'siren':7C,14,18 'the':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'new wave', 'rock', 'classic rock', 'glam rock']
                                        'tag_date'  1975
                                     'discogstags'  ['electronic', 'rock', 'glam', 'prog rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1642081444.695254  (2022-01-13 14:44:04)
                             'size'  9860544