======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '292'
                                          'artist'  'Bassnectar'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'kingston-version2009 '
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-MIXBEAT-3', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['breakbeat', 'electronic', 'breaks', 'dubstep', 'glitch']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ('loc-style-reggae or dub or ska or '
 'dancehall-unsorted;electronic-experimental-glitch')
                                             'bpm'  '95.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000DEF 00000C89 00009F6A 00009810 00041B6D 0000E097 00007FFF 00007FFF '
 '00000000 00000343')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000772 0000000000C4BFFE 00000000 00B25D3A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '95.9'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-reggae or dub or ska or dancehall-unsorted',
 'electronic-experimental-glitch']
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'kingston-version2009 '
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bassnectar'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['breakbeat', 'electronic', 'breaks', 'dubstep', 'glitch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.99 dB'
'TXXX:replaygain_track_peak'                        '0.458044'

========================== row from database ==========================
                                              'id'  1359467
                                            'path'  /data/Music/Bulk/00localcharacter/Reggae/alborosie - kingston town (bassnectar remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  292
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted;electronic-experimental-glitch
                                        'filesize'  11699769
                                           'mtime'  1620523642
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Reggae alborosie town (bassnectar remix) loc style reggae or dub or ska or dancehall unsorted;electronic experimental glitch
                                      'tag_artist'  Bassnectar
                                     'tag_release'  None
                                       'tag_title'  kingston-version2009 
                                             'bpm'  95.9
                                    'search_title'  'kingston':1 'kingstonversion2009':3 'version2009':2
                                   'search_artist'  'bassnectar':1
                                  'search_release'  
                                     'search_rest'  'alborosie':2 'bassnectar':4,5 'dancehall':13 'dub':11 'electronic':15,17 'experimental':18 'glitch':19 'loc':8 'or':10 'reggae':1 'remix':6,7 'ska':12 'style':9 'town':3 'unsorted':14,16
                                    'search_combo'  'alborosie':6 'bassnectar':4B,8,9 'dancehall':17 'dub':15 'electronic':19,21 'experimental':22 'glitch':23 'kingston':1A 'kingstonversion2009':3A 'loc':12 'or':14 'reggae':5 'remix':10,11 'ska':16 'style':13 'town':7 'unsorted':18,20 'version2009':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'electronic', 'breaks', 'dubstep', 'glitch']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620523641.8735962  (2021-05-09 03:27:21)
                             'size'  11699769