======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '194'
                                          'artist'  'The Streets'
                                     'text_people'  'Mike Skinner'
                                         'release'  'The Hardest Way to Make an Easy Living'
                                           'title'  'The Hardest Way to Make an Easy Living'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
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 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'hip hop', 'british', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '94.813'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'The Hardest Way to Make an Easy Living'
'TBPM' (BPM (beats per minute))                     '94.813'
'TCOM' (Composer)                                   'Mike Skinner'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'The Hardest Way to Make an Easy Living'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '194986'
'TPE1' (Lead performer(s)/Soloist(s))               'The Streets'
'TPE2' (Band/orchestra/accompaniment)               'The Streets'
'TPUB' (Publisher)                                  'Vice'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'hip hop', 'british', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.325909'

========================== row from database ==========================
                                              'id'  1254708
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Streets, The - The Streets/The Streets_/The Hardest Way to Make an Easy Living/03 The Hardest Way to Make an Easy L.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  194
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7796768
                                           'mtime'  1620592499
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Streets, Streets_ 03 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Streets
                                     'tag_release'  The Hardest Way to Make an Easy Living
                                       'tag_title'  The Hardest Way to Make an Easy Living
                                             'bpm'  94.813
                                    'search_title'  'an':6 'easy':7 'hardest':2 'living':8 'make':5 'the':1 'to':4 'way':3
                                   'search_artist'  'streets':2 'the':1
                                  'search_release'  'an':6 'easy':7 'hardest':2 'living':8 'make':5 'the':1 'to':4 'way':3
                                     'search_rest'  'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'streets':5,6 'turntablism':4
                                    'search_combo'  'an':6A,16C 'easy':7A,17C 'hardest':2A,12C 'hip':25 'hiphop':19 'hop':26 'living':8A,18C 'make':5A,15C 'or':27 'rap':20 'rnb':21 'streets':10B,23,24 'the':1A,9B,11C 'to':4A,14C 'turntablism':22 'way':3A,13C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'hip hop', 'british', 'rap']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592499.3782234  (2021-05-09 22:34:59)
                             'size'  7796768