======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '240'
                                          'artist'  'Depeche Mode'
                                     'text_people'  ''
                                         'release'  'The Singles 86-98 (disc 1)'
                                           'title'  'A Question of Time'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '140.238'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Singles 86-98 (disc 1)'
'TBPM' (BPM (beats per minute))                     '140.238'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'A Question of Time'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.451875'

========================== row from database ==========================
                                              'id'  1303068
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/MBZ;#Depeche Mode;#The Singles 86-98 (disc 1);#1998-09-28;#03;#A Question of Time.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  240
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  5786366
                                           'mtime'  1636922621
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Depeche Mode;#The 1);#1998 09 28;#03;#A electronic we electropop or synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  The Singles 86-98 (disc 1)
                                       'tag_title'  A Question of Time
                                             'bpm'  140.238
                                    'search_title'  'a':1 'of':3 'question':2 'time':4
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  '1':8,9 '86':3 '8698':5 '98':4 'disc':6,7 'singles':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '03':15,18 '1':10,12 '1998':11,13 '28':14,17 'a':16,19 'depeche':3,5 'electronic':20 'electropop':22 'mbz':2,4 'mode':6,8 'or':23 'synthpop':24 'the':7,9 'we':21
                                    'search_combo'  '00poprockelectronic':16 '03':30,33 '1':14C,15C,25,27 '1998':26,28 '28':29,32 '86':9C '8698':11C '98':10C 'a':1A,31,34 'depeche':5B,18,20 'disc':12C,13C 'electronic':35 'electropop':37 'mbz':17,19 'mode':6B,21,23 'of':3A 'or':38 'question':2A 'singles':8C 'synthpop':39 'the':7C,22,24 'time':4A 'we':36
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636922621.2029755  (2021-11-14 21:43:41)
                             'size'  5786366