======================== unified (from filesystem) ========================
                                         'bitrate'  '244.545'
                                        'duration'  '284'
                                          'artist'  'The Dresden Dolls'
                                     'text_people'  ''
                                         'release'  'Live In Paris, FR Zenith 06-22'
                                           'title'  'Amsterdam (Jacques Brel Cover)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '124.929'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live In Paris, FR Zenith 06-22'
'TBPM' (BPM (beats per minute))                     '124.929'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Amsterdam (Jacques Brel Cover)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dresden Dolls'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.528694'

========================== row from database ==========================
                                              'id'  1365770
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/Live, misc/Live in Paris, FR Zenith 06-22-05-BW/04-the_dresden_dolls-amsterdam_(jacques_brel_cover)-bw.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  284
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  8723302
                                           'mtime'  1636401353
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos & Amanda Palmer Live, misc in 05 BW 04 the_dresden_dolls amsterdam_(jacques_brel_cover) bw ifs songwriter;ifs songwriter eos
                                      'tag_artist'  The Dresden Dolls
                                     'tag_release'  Live In Paris, FR Zenith 06-22
                                       'tag_title'  Amsterdam (Jacques Brel Cover)
                                             'bpm'  124.929
                                    'search_title'  'amsterdam':1 'brel':4 'cover':5,6 'jacques':2,3
                                   'search_artist'  'dolls':3 'dresden':2 'the':1
                                  'search_release'  '06':7 '0622':9 '22':8 'fr':5 'in':2 'live':1 'paris':3,4 'zenith':6
                                     'search_rest'  '00singer':1 '00songwriter':4 'amanda':5 'amsterdam':15,19 'brel':17,21 'bw':11 'cover':18,22 'dolls':14 'dresden':13 'eos':3 'ifs':23,25,27 'in':10 'jacques':16,20 'live':7,8 'misc':9 'palmer':6 'songwriter':2,24,26 'the':12
                                    'search_combo'  '00singer':19 '00songwriter':22 '06':16C '0622':18C '22':17C 'amanda':23 'amsterdam':1A,33,37 'brel':4A,35,39 'bw':29 'cover':5A,6A,36,40 'dolls':9B,32 'dresden':8B,31 'eos':21 'fr':14C 'ifs':41,43,45 'in':11C,28 'jacques':2A,3A,34,38 'live':10C,25,26 'misc':27 'palmer':24 'paris':12C,13C 'songwriter':20,42,44 'the':7B,30 'zenith':15C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636401352.858445  (2021-11-08 20:55:52)
                             'size'  8723302