======================== unified (from filesystem) ========================
                                         'bitrate'  '218.372'
                                        'duration'  '467'
                                          'artist'  'Jay-Z And Linkin Park'
                                     'text_people'  ''
                                         'release'  'Collision Course'
                                           'title'  'Points Of Authority/99 Problems/One Step Closer'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['linkin park', 'alternative', 'hip hop', 'rap', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '127.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Collision Course'
'TBPM' (BPM (beats per minute))                     '127.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Points Of Authority/99 Problems/One Step Closer'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jay-Z And Linkin Park'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['linkin park', 'alternative', 'hip hop', 'rap', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.294840'

========================== row from database ==========================
                                              'id'  1283753
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linkin Park/Jay-Z & Linkin Park/207 - points of authority-99 problems-one step closer (live).mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  467
                                           'genre'  eid-metal-nu
                                        'filesize'  12869277
                                           'mtime'  1620311143
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & 207 points of authority problems one step closer (live) eid metal nu
                                      'tag_artist'  Jay-Z And Linkin Park
                                     'tag_release'  Collision Course
                                       'tag_title'  Points Of Authority/99 Problems/One Step Closer
                                             'bpm'  127.0
                                    'search_title'  '99':4 'authority':3 'authority99':5 'closer':10 'of':2 'one':7 'points':1 'problems':6 'problemsone':8 'step':9
                                   'search_artist'  'and':4 'jay':1 'jayz':3 'linkin':5 'park':6 'z':2
                                  'search_release'  'collision':1 'course':2
                                     'search_rest'  '00poprockelectronic':1 '207':2 'authority':5 'closer':9 'eid':12 'live':10,11 'metal':13 'nu':14 'of':4 'one':7 'points':3 'problems':6 'step':8
                                    'search_combo'  '00poprockelectronic':19 '207':20 '99':4A 'and':14B 'authority':3A,23 'authority99':5A 'closer':10A,27 'collision':17C 'course':18C 'eid':30 'jay':11B 'jayz':13B 'linkin':15B 'live':28,29 'metal':31 'nu':32 'of':2A,22 'one':7A,25 'park':16B 'points':1A,21 'problems':6A,24 'problemsone':8A 'step':9A,26 'z':12B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['linkin park', 'alternative', 'hip hop', 'rap', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311142.607219  (2021-05-06 16:25:42)
                             'size'  12869277