======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Linkin Park'
                                     'text_people'  ''
                                         'release'  'Splitting The DNA'
                                           'title'  'In The End (Live)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu;set-pl-billboard'
                                             'bpm'  '105'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Splitting The DNA'
'TBPM' (BPM (beats per minute))                     '105'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-nu', 'set-pl-billboard']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'In The End (Live)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Linkin Park'
'TPE2' (Band/orchestra/accompaniment)               'Linkin Park'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '18'
'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'                                   ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.607932'

========================== row from database ==========================
                                              'id'  1347598
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linkin Park/Splitting The DNA/1-18 In The End (Live).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  eid-metal-nu;set-pl-billboard
                                        'filesize'  4690335
                                           'mtime'  1620311145
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1 18 eid metal nu;set billboard
                                      'tag_artist'  Linkin Park
                                     'tag_release'  Splitting The DNA
                                       'tag_title'  In The End (Live)
                                             'bpm'  105.0
                                    'search_title'  'end':3 'in':1 'live':4,5 'the':2
                                   'search_artist'  'linkin':1 'park':2
                                  'search_release'  'dna':3 'splitting':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 '1':2 '18':3 'billboard':10 'eid':4 'metal':5 'nu':6,8 'set':7,9
                                    'search_combo'  '00poprockelectronic':11 '1':12 '18':13 'billboard':20 'dna':10C 'eid':14 'end':3A 'in':1A 'linkin':6B 'live':4A,5A 'metal':15 'nu':16,18 'park':7B 'set':17,19 'splitting':8C 'the':2A,9C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  3A
                                           '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-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311144.9327943  (2021-05-06 16:25:44)
                             'size'  4690335