======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  'Long Beach Dub Allstars'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Own Life'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'ska', 'dub', 'punk', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '92.772'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '92.772'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'My Own Life'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Long Beach Dub Allstars'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['reggae', 'ska', 'dub', 'punk', 'hip-hop']
'TXXX:other'                                        'Long Beach Dub All Stars'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.648848'

========================== row from database ==========================
                                              'id'  1332806
                                            'path'  /data/Music/Bulk/00poprockelectronic/Long Beach Dub Allstars/long beach dub all stars/Long Beach Dub All Stars - My Own Life.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  2891573
                                           'mtime'  1620524614
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic long beach dub all Stars loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Long Beach Dub Allstars
                                     'tag_release'  None
                                       'tag_title'  My Own Life
                                             'bpm'  92.772
                                    'search_title'  'life':3 'my':1 'own':2
                                   'search_artist'  'allstars':4 'beach':2 'dub':3 'long':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'all':5 'beach':3 'dancehall':12 'dub':4 'loc':7 'long':2 'or':10 'reggae':9 'ska':11 'stars':6 'style':8
                                    'search_combo'  '00poprockelectronic':8 'all':12 'allstars':7B 'beach':5B,10 'dancehall':19 'dub':6B,11 'life':3A 'loc':14 'long':4B,9 'my':1A 'or':17 'own':2A 'reggae':16 'ska':18 'stars':13 'style':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'ska', 'dub', 'punk', 'hip-hop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524614.3860552  (2021-05-09 03:43:34)
                             'size'  2891573