======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '303'
                                          'artist'  'Outkast'
                                     'text_people'  ''
                                         'release'  'Stankonia'
                                           'title'  'B.O.B.'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'pop', 'hip hop', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '102.749'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stankonia'
'TBPM' (BPM (beats per minute))                     '102.749'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'B.O.B.'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Outkast'
'TRCK' (Track number/Position in set)               '11'
'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'                                   ['dance', 'pop', 'hip hop', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.294066'

========================== row from database ==========================
                                              'id'  719534
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Outkast/Stankonia__MBZ;#Outkast;#Stankonia;#11;#BOBmp3.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  303
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7286271
                                           'mtime'  1620586398
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Stankonia__MBZ;#Outkast;#Stankonia;#11;#BOBmp3 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Outkast
                                     'tag_release'  Stankonia
                                       'tag_title'  B.O.B.
                                             'bpm'  102.749
                                    'search_title'  'b':1,3 'bob':4 'o':2
                                   'search_artist'  'outkast':1
                                  'search_release'  'stankonia':1
                                     'search_rest'  '11':9,15 'bobmp3':10,16 'hip':17 'hiphop':1 'hop':18 'mbz':6,12 'or':19 'outkast':7,13 'rap':2 'rnb':3 'stankonia':5,8,11,14 'turntablism':4
                                    'search_combo'  '11':15,21 'b':1A,3A 'bob':4A 'bobmp3':16,22 'hip':23 'hiphop':7 'hop':24 'mbz':12,18 'o':2A 'or':25 'outkast':5B,13,19 'rap':8 'rnb':9 'stankonia':6C,11,14,17,20 'turntablism':10
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'pop', 'hip hop', 'funk']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586397.8979797  (2021-05-09 20:53:17)
                             'size'  7286271