======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '318'
                                          'artist'  'Don Henley'
                                     'text_people'  ''
                                         'release'  'The End of the Innocence'
                                           'title'  'The End of the Innocence'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'rock', 'singer songwriter', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft;set-pl-billboard'
                                             'bpm'  '118.845'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The End of the Innocence'
'TBPM' (BPM (beats per minute))                     '118.845'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-soft', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'The End of the Innocence'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Don Henley'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'soft rock', 'rock', 'singer songwriter', 'classic rock']
'TXXX:original release date'                        ['1989', '1995']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.675169'

========================== row from database ==========================
                                              'id'  1358441
                                            'path'  /data/Music/Bulk/00poprockelectronic/Don Henley/MBZ;#Don Henley;#The End Of The Innocence;#01;#The End Of The Innocence.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  318
                                           'genre'  rock-pop-soft;set-pl-billboard
                                        'filesize'  5093037
                                           'mtime'  1620736459
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Don Henley;#The Of Innocence;#01;#The Of rock pop soft;set pl billboard
                                      'tag_artist'  Don Henley
                                     'tag_release'  The End of the Innocence
                                       'tag_title'  The End of the Innocence
                                             'bpm'  118.845
                                    'search_title'  'end':2 'innocence':4 'of':3 'the':1
                                   'search_artist'  'don':1 'henley':2
                                  'search_release'  'end':2 'innocence':4 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '01':12,15 'billboard':24 'don':3,5 'henley':6,8 'innocence':11,14 'mbz':2,4 'of':10 'pl':23 'pop':18 'rock':17 'set':20,22 'soft':19,21 'the':7,9,13,16
                                    'search_combo'  '00poprockelectronic':11 '01':22,25 'billboard':34 'don':5B,13,15 'end':2A,8C 'henley':6B,16,18 'innocence':4A,10C,21,24 'mbz':12,14 'of':3A,9C,20 'pl':33 'pop':28 'rock':27 'set':30,32 'soft':29,31 'the':1A,7C,17,19,23,26
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'rock', 'singer songwriter', 'classic rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736459.1557782  (2021-05-11 14:34:19)
                             'size'  5093037