======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '226'
                                          'artist'  'Lolita Pop'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tarzan On A Big Red Scooter'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'new wave', '80s', 'post punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '129.315'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.315'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Tarzan On A Big Red Scooter'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lolita Pop'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish', 'new wave', '80s', 'post punk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.488862'

========================== row from database ==========================
                                              'id'  1359286
                                            'path'  /data/Music/Bulk/00poprockelectronic/swedish rock/Lolita Pop - Tarzan on a big red scooter.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  226
                                           'genre'  rock-pop
                                        'filesize'  3628928
                                           'mtime'  1620392797
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic swedish rock on big red scooter rock pop
                                      'tag_artist'  Lolita Pop
                                     'tag_release'  None
                                       'tag_title'  Tarzan On A Big Red Scooter
                                             'bpm'  129.315
                                    'search_title'  'a':3 'big':4 'on':2 'red':5 'scooter':6 'tarzan':1
                                   'search_artist'  'lolita':1 'pop':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'big':5 'on':4 'pop':8 'red':6 'rock':3 'scooter':7 'swedish':2
                                    'search_combo'  '00poprockelectronic':9 'a':3A 'big':4A,13 'lolita':7B 'on':2A,12 'pop':8B,16 'red':5A,14 'rock':11 'scooter':6A,15 'swedish':10 'tarzan':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'new wave', '80s', 'post punk', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620392797.0475774  (2021-05-07 15:06:37)
                             'size'  3628928