======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '1214'
                                          'artist'  'The Underground Railroad'
                                     'text_people'  ''
                                         'release'  'progsoup 11'
                                           'title'  'Through And Through'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['art rock', 'progressive rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '40'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '131.498'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000354 0000030E 0000206B'
'COMM:iTunNORM:eng'                                 (' 00000354 0000030E 0000206B 00001F0A 000AFC80 000AFC80 0000750D 000073F9 '
 '000AFC97 000AFC97')
'TALB' (Album/Movie/Show title)                     'progsoup 11'
'TBPM' (BPM (beats per minute))                     '131.498'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Through And Through'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '1214458'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'The Underground Railroad'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '40'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['art rock', 'progressive rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.587026'

========================== row from database ==========================
                                              'id'  1411954
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/Progsoup 11/595 The Underground Railroad  - Through And Through.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1214
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  29149056
                                           'mtime'  1620736273
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP Progsoup 595 rock cppex progressive;set pl progspace
                                      'tag_artist'  The Underground Railroad
                                     'tag_release'  progsoup 11
                                       'tag_title'  Through And Through
                                             'bpm'  131.498
                                    'search_title'  'and':2 'through':1
                                   'search_artist'  'railroad':3 'the':1 'underground':2
                                  'search_release'  'progsoup':1
                                     'search_rest'  '595':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '595':9 'and':2A 'classicprogpsy':7 'cppex':11 'pl':16 'progressive':12,14 'progsoup':6C,8 'progspace':17 'railroad':5B 'rock':10 'set':13,15 'the':3B 'through':1A 'underground':4B
                                    'tag_tracknum'  40
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['art rock', 'progressive rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736273.0328357  (2021-05-11 14:31:13)
                             'size'  29149056