======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '346'
                                          'artist'  'Genesis'
                                     'text_people'  ''
                                         'release'  'Turn It on Again'
                                           'title'  'No Son of Mine'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock', 'progressive rock', 'progressive', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-billboard'
                                             'bpm'  '104.336'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Turn It on Again'
'TBPM' (BPM (beats per minute))                     '104.336'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-billboard']
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'No Son of Mine'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Genesis'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'progressive rock', 'progressive', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.63 dB'
'TXXX:replaygain_track_peak'                        '0.460317'

========================== row from database ==========================
                                              'id'  1298336
                                            'path'  /data/Music/Bulk/00poprockelectronic/Genesis/MBZ;#Genesis;#Turn It On Again - The Hits;#10;#No Son of Mine.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  346
                                           'genre'  rock-cppex-progressive;set-pl-billboard
                                        'filesize'  6936117
                                           'mtime'  1620737779
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Genesis;#Turn On The Hits;#10;#No rock cppex progressive;set pl billboard
                                      'tag_artist'  Genesis
                                     'tag_release'  Turn It on Again
                                       'tag_title'  No Son of Mine
                                             'bpm'  104.336
                                    'search_title'  'mine':4 'no':1 'of':3 'son':2
                                   'search_artist'  'genesis':1
                                  'search_release'  'again':4 'it':2 'on':3 'turn':1
                                     'search_rest'  '00poprockelectronic':1 '10':11,14 'billboard':23 'cppex':17 'genesis':3,6 'hits':10,13 'mbz':2,5 'no':12,15 'on':8 'pl':22 'progressive':18,20 'rock':16 'set':19,21 'the':9 'turn':4,7
                                    'search_combo'  '00poprockelectronic':10 '10':20,23 'again':9C 'billboard':32 'cppex':26 'genesis':5B,12,15 'hits':19,22 'it':7C 'mbz':11,14 'mine':4A 'no':1A,21,24 'of':3A 'on':8C,17 'pl':31 'progressive':27,29 'rock':25 'set':28,30 'son':2A 'the':18 'turn':6C,13,16
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'progressive rock', 'progressive', 'classic rock']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737779.3091006  (2021-05-11 14:56:19)
                             'size'  6936117