======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '447'
                                          'artist'  'Outkast'
                                     'text_people'  ''
                                         'release'  'Big Boi And Dre Present...'
                                           'title'  'Git Up, Git Out'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'pop', 'hip hop', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '111.089'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Big Boi And Dre Present...'
'TBPM' (BPM (beats per minute))                     '111.089'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Git Up, Git Out'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Outkast'
'TRCK' (Track number/Position in set)               '15'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.678853'

========================== row from database ==========================
                                              'id'  720328
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Outkast/Big Boi And Dre Present__MBZ;#Outkast;#Big Boi And Dre Present;#15;#Git Up, Git Outmp3.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  447
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7155310
                                           'mtime'  1620586397
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Present__MBZ;#Outkast;#Big Present;#15;#Git Outmp3 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Outkast
                                     'tag_release'  Big Boi And Dre Present...
                                       'tag_title'  Git Up, Git Out
                                             'bpm'  111.089
                                    'search_title'  'git':1 'out':4 'up':2,3
                                   'search_artist'  'outkast':1
                                  'search_release'  'and':3 'big':1 'boi':2 'dre':4 'present':5,6
                                     'search_rest'  '15':14,17 'big':8,12 'git':15,18 'hip':20 'hiphop':1 'hop':21 'mbz':6,10 'or':22 'outkast':7,11 'outmp3':19 'present':5,9,13,16 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '15':25,28 'and':8C 'big':6C,19,23 'boi':7C 'dre':9C 'git':1A,26,29 'hip':31 'hiphop':12 'hop':32 'mbz':17,21 'or':33 'out':4A 'outkast':5B,18,22 'outmp3':30 'present':10C,11C,16,20,24,27 'rap':13 'rnb':14 'turntablism':15 'up':2A,3A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'pop', 'hip hop', 'funk']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586397.299248  (2021-05-09 20:53:17)
                             'size'  7155310