======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '304'
                                          'artist'  'VNV Nation'
                                     'text_people'  ''
                                         'release'  'Advance And Follow'
                                           'title'  'Requiem QCN'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['ebm', 'industrial', 'electronic', 'synthpop', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '124.315'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Advance And Follow'
'TBPM' (BPM (beats per minute))                     '124.315'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Requiem QCN'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'VNV Nation'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'electronic', 'synthpop', 'futurepop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.17 dB'
'TXXX:replaygain_track_peak'                        '0.848307'

========================== row from database ==========================
                                              'id'  151669
                                            'path'  /data/Music/Bulk/00dwimp/VNV Nation/Advance And Follow/MBZ;#VNV Nation;#Advance And Follow;#08;#Requiem QCN.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  304
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  4875596
                                           'mtime'  1620296708
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp MBZ;#VNV Nation;#Advance Follow;#08;#Requiem eid ebm or industrial or darkwave futurepop
                                      'tag_artist'  VNV Nation
                                     'tag_release'  Advance And Follow
                                       'tag_title'  Requiem QCN
                                             'bpm'  124.315
                                    'search_title'  'qcn':2 'requiem':1
                                   'search_artist'  'nation':2 'vnv':1
                                  'search_release'  'advance':1 'and':2 'follow':3
                                     'search_rest'  '00dwimp':1 '08':11,14 'advance':7,9 'darkwave':20 'ebm':17 'eid':16 'follow':10,13 'futurepop':21 'industrial':19 'mbz':2,4 'nation':6,8 'or':18 'requiem':12,15 'vnv':3,5
                                    'search_combo'  '00dwimp':8 '08':18,21 'advance':5C,14,16 'and':6C 'darkwave':27 'ebm':24 'eid':23 'follow':7C,17,20 'futurepop':28 'industrial':26 'mbz':9,11 'nation':4B,13,15 'or':25 'qcn':2A 'requiem':1A,19,22 'vnv':3B,10,12
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ebm', 'industrial', 'electronic', 'synthpop', 'futurepop']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296708.4907687  (2021-05-06 12:25:08)
                             'size'  4875596