======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '280'
                                          'artist'  'The Roots'
                                     'text_people'  ''
                                         'release'  'Things Fall Apart'
                                           'title'  'You Got Me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'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-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rap', 'hip hop', 'rap', 'soul']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '107.836'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Things Fall Apart'
'TBPM' (BPM (beats per minute))                     '107.836'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'You Got Me'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Roots'
'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:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['alternative rap', 'hip hop', 'rap', 'soul']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.714535'

========================== row from database ==========================
                                              'id'  1323331
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/The Roots__MBZ;#The Roots;#Things Fall Apart;#15;#You Got Me.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  280
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6737493
                                           'mtime'  1620573024
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Roots__MBZ;#The Roots;#Things Apart;#15;#You hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Roots
                                     'tag_release'  Things Fall Apart
                                       'tag_title'  You Got Me
                                             'bpm'  107.836
                                    'search_title'  'got':2 'me':3 'you':1
                                   'search_artist'  'roots':2 'the':1
                                  'search_release'  'apart':3 'fall':2 'things':1
                                     'search_rest'  '00poprockelectronic':1 '15':18,21 'apart':17,20 'files':5,6 'hip':23 'hop':24 'loose':3,4 'mbz':8,11 'or':25 'rap':27 'rnb':26 'roots':7,10,13,15 'the':9,12 'things':14,16 'turntablism':28 'unsorted':2 'you':19,22
                                    'search_combo'  '00poprockelectronic':9 '15':26,29 'apart':8C,25,28 'fall':7C 'files':13,14 'got':2A 'hip':31 'hop':32 'loose':11,12 'mbz':16,19 'me':3A 'or':33 'rap':35 'rnb':34 'roots':5B,15,18,21,23 'the':4B,17,20 'things':6C,22,24 'turntablism':36 'unsorted':10 'you':1A,27,30
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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'  ['alternative rap', 'hip hop', 'rap', 'soul']
                                        'tag_date'  1999
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620573024.085481  (2021-05-09 17:10:24)
                             'size'  6737493