======================== unified (from filesystem) ========================
                                         'bitrate'  '198.4'
                                        'duration'  '141'
                                          'artist'  'Link Wray & His Wraymen'
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                                         'release'  'Big Box of Link Wray and More Kings of Distortion '
                                           'title'  'Big City Stomp'
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 "'q-drums-4', 'q-other-3', 'q-mixbeat-1', 'q-hap-3', 'q-syn-2', "
 "'q-localness-1']")
                                      'lastfmtags'  "['rock and roll', 'guitar', 'oldies', 'rockabilly', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '155'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '92.772'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'Big Box of Link Wray and More Kings of Distortion '
'albumartist'                                       'Various Artists'
'artist'                                            'Link Wray & His Wraymen'
'bpm'                                               '92.772'
'city'                                              'Multiple'
'date'                                              '2014'
'discnumber'                                        '2'
'disctotal'                                         '6'
'genre'                                             'rock-rockabilly or psychobilly'
'key'                                               '12B'
'label'                                             'Floating World'
'lastfmtags'                                        ['rock and roll', 'guitar', 'oldies', 'rockabilly', '50s']
'nation'                                            'Multiple'
'q-bass'                                            '4'
'q-busy'                                            '3'
'q-chart'                                           '2'
'q-drums'                                           '4'
'q-grit'                                            '2'
'q-hap'                                             '3'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '1'
'q-oldst'                                           '1'
'q-other'                                           '3'
'q-piano'                                           '1'
'q-play'                                            '2'
'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '1'
'replaygain_track_gain'                             '-7.39 dB'
'replaygain_track_peak'                             '1.025100'
'title'                                             'Big City Stomp'
'tracknumber'                                       '02'
'tracktotal'                                        '155'

========================== row from database ==========================
                                              'id'  1369415
                                            'path'  /data/Music/Bulk/00poprockelectronic/Big Box of Link Wray and More Kings of Distortion/Disc 2/02. Link Wray & HIs Wraymen - Big City Stomp.ogg
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  141
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  2633893
                                           'mtime'  1620525658
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disc 2 02. HIs rock rockabilly psychobilly
                                      'tag_artist'  Link Wray & His Wraymen
                                     'tag_release'  Big Box of Link Wray and More Kings of Distortion 
                                       'tag_title'  Big City Stomp
                                             'bpm'  92.772
                                    'search_title'  'big':1 'city':2 'stomp':3
                                   'search_artist'  'his':3 'link':1 'wray':2 'wraymen':4
                                  'search_release'  'and':6 'big':1 'box':2 'distortion':9 'kings':8 'link':4 'more':7 'of':3 'wray':5
                                     'search_rest'  '00poprockelectronic':1 '02':4,5 '2':3 'disc':2 'his':6 'psychobilly':9 'rock':7 'rockabilly':8
                                    'search_combo'  '00poprockelectronic':17 '02':20,21 '2':19 'and':13C 'big':1A,8C 'box':9C 'city':2A 'disc':18 'distortion':16C 'his':6B,22 'kings':15C 'link':4B,11C 'more':14C 'of':10C 'psychobilly':25 'rock':23 'rockabilly':24 'stomp':3A 'wray':5B,12C 'wraymen':7B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['q-mixbeat-1', 'q-chart-2', 'q-other-3', 'q-oldst-1', 'q-grit-2', 'q-drums-4', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-1', 'q-play-2', 'q-hap-3', 'q-bass-4', 'q-vocals-1', 'q-unu-1']
                                      'lastfmtags'  ['rock and roll', 'guitar', 'oldies', 'rockabilly', '50s']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525658.158521  (2021-05-09 04:00:58)
                             'size'  2633893