======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '234'
                                          'artist'  'Rockerfella'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'As We Always Do'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['jungle', 'electronic', 'jump up', 'drum and bass', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '89.335'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '89.335'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'As We Always Do'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rockerfella'
'TXXX:Mp3gain_minmax'                               '151,193'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '06'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['jungle', 'electronic', 'jump up', 'drum and bass', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.50 dB'
'TXXX:replaygain_track_peak'                        '0.563422'

========================== row from database ==========================
                                              'id'  1291495
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Majistrate - Mixmag/Mixmag - Aphrodite/The Takeover Bid Round One/Rockerfella - As We Always Do - 06.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  234
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  4690943
                                           'mtime'  1621696585
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Majistrate Mixmag Mixmag Aphrodite The Takeover Bid Round One 06 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Rockerfella
                                     'tag_release'  None
                                       'tag_title'  As We Always Do
                                             'bpm'  89.335
                                    'search_title'  'always':3 'as':1 'do':4 'we':2
                                   'search_artist'  'rockerfella':1
                                  'search_release'  
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'aphrodite':5 'bid':8 'breakbeat':13 'dnb':15 'electronic':11 'jungle':16 'majistrate':3 'mixmag':4 'one':10 'or':14 'round':9 'takeover':7 'th':12 'the':6
                                    'search_combo'  '00dnb':7 '00poprockelectronic':6 'always':3A 'aphrodite':10 'as':1A 'bid':13 'breakbeat':18 'dnb':20 'do':4A 'electronic':16 'jungle':21 'majistrate':8 'mixmag':9 'one':15 'or':19 'rockerfella':5B 'round':14 'takeover':12 'th':17 'the':11 'we':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['jungle', 'electronic', 'jump up', 'drum and bass', 'dnb']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696585.1006348  (2021-05-22 17:16:25)
                             'size'  4690943