======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'Japan'
                                     'text_people'  ''
                                         'release'  'The Very Best Of Electronic, New Wave And Synth '
                                           'title'  'Quiet Life'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'post punk', 'electronic', 'new romantic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '131.328'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Of Electronic, New Wave And Synth '
'TBPM' (BPM (beats per minute))                     '131.328'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Quiet Life'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Japan'
'TRCK' (Track number/Position in set)               '8'
'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', 'post punk', 'electronic', 'new romantic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.555319'

========================== row from database ==========================
                                              'id'  1296322
                                            'path'  /data/Music/Bulk/00poprockelectronic/Japan/MBZ;#Japan;#Quiet Life;#01;#Quiet Life.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  6946688
                                           'mtime'  1620570164
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Japan;#Quiet Life;#01;#Quiet electronic we new wave or post punk
                                      'tag_artist'  Japan
                                     'tag_release'  The Very Best Of Electronic, New Wave And Synth 
                                       'tag_title'  Quiet Life
                                             'bpm'  131.328
                                    'search_title'  'life':2 'quiet':1
                                   'search_artist'  'japan':1
                                  'search_release'  'and':9 'best':3 'electronic':5,6 'new':7 'of':4 'synth':10 'the':1 'very':2 'wave':8
                                     'search_rest'  '00poprockelectronic':1 '01':9,12 'electronic':14 'japan':3,6 'life':8,11 'mbz':2,5 'new':16 'or':18 'post':19 'punk':20 'quiet':4,7,10,13 'wave':17 'we':15
                                    'search_combo'  '00poprockelectronic':14 '01':22,25 'and':12C 'best':6C 'electronic':8C,9C,27 'japan':3B,16,19 'life':2A,21,24 'mbz':15,18 'new':10C,29 'of':7C 'or':31 'post':32 'punk':33 'quiet':1A,17,20,23,26 'synth':13C 'the':4C 'very':5C 'wave':11C,30 'we':28
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'post punk', 'electronic', 'new romantic']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570163.634092  (2021-05-09 16:22:43)
                             'size'  6946688