======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '279'
                                          'artist'  'Montell Jordan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'This Is How We Do It (1995)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rnb', 'hip-hop', '90s', 'urban', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-zomg80s;set-pl-billboard'
                                             'bpm'  '103.961'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '103.961'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-zomg80s', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'This Is How We Do It (1995)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Montell Jordan'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'hip-hop', '90s', 'urban', 'hip hop']
'TXXX:other'                                        '053'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.651032'

========================== row from database ==========================
                                              'id'  1357912
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/053 - Montell Jordan - This Is How We Do It (1995).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  279
                                           'genre'  electronic-generic or radio-unsorted;set-pl-zomg80s;set-pl-billboard
                                        'filesize'  3914536
                                           'mtime'  1620384828
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 053 electronic generic radio unsorted;set pl zomg80s;set pl billboard
                                      'tag_artist'  Montell Jordan
                                     'tag_release'  None
                                       'tag_title'  This Is How We Do It (1995)
                                             'bpm'  103.961
                                    'search_title'  '1995':7,8 'do':5 'how':3 'is':2 'it':6 'this':1 'we':4
                                   'search_artist'  'jordan':2 'montell':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'billboard':15 'electronic':3 'generic':4 'pl':10 'radio':5 'set':7,9,12,14 'unsorted':6,8 'zomg80s':11,13
                                    'search_combo'  '00poprockelectronic':11 '1995':7A,8A '90s':12 'billboard':25 'do':5A 'electronic':13 'generic':14 'how':3A 'is':2A 'it':6A 'jordan':10B 'montell':9B 'pl':20 'radio':15 'set':17,19,22,24 'this':1A 'unsorted':16,18 'we':4A 'zomg80s':21,23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'hip-hop', '90s', 'urban', 'hip hop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384828.4221537  (2021-05-07 12:53:48)
                             'size'  3914536