======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  'Depeche Mode'
                                     'text_people'  ''
                                         'release'  "It's Called a Heart"
                                           'title'  "It's Called a Heart"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '134.735'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "It's Called a Heart"
'TBPM' (BPM (beats per minute))                     '134.735'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         "It's Called a Heart"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TRCK' (Track number/Position in set)               '1'
'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'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.500358'

========================== row from database ==========================
                                              'id'  1499461
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/Cd singles/MBZ;#Depeche Mode;#It_s Called a Heart;#1991-00-00;#01;#It_s Called a Heart.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  5533172
                                           'mtime'  1636922618
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Cd singles MBZ;#Depeche Mode;#It_s Heart;#1991 00 00;#01;#It_s electronic we electropop or synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  It's Called a Heart
                                       'tag_title'  It's Called a Heart
                                             'bpm'  134.735
                                    'search_title'  'a':5 'called':4 'heart':6 'it':1 'its':3 's':2
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  'a':5 'called':4 'heart':6 'it':1 'its':3 's':2
                                     'search_rest'  '00':18,19,23 '00poprockelectronic':1 '01':20,24 '1991':15,17 'cd':2 'depeche':5,7 'electronic':27 'electropop':29 'heart':14,16 'it':9,12,21,25 'mbz':4,6 'mode':8,11 'or':30 's':10,13,22,26 'singles':3 'synthpop':31 'we':28
                                    'search_combo'  '00':32,33,37 '00poprockelectronic':15 '01':34,38 '1991':29,31 'a':5A,13C 'called':4A,12C 'cd':16 'depeche':7B,19,21 'electronic':41 'electropop':43 'heart':6A,14C,28,30 'it':1A,9C,23,26,35,39 'its':3A,11C 'mbz':18,20 'mode':8B,22,25 'or':44 's':2A,10C,24,27,36,40 'singles':17 'synthpop':45 'we':42
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636922618.1194835  (2021-11-14 21:43:38)
                             'size'  5533172