======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '305'
                                          'artist'  'Boney M.'
                                     'text_people'  ''
                                         'release'  'CD2 The Eighties'
                                           'title'  'Gadda-Da-Vida'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', '70s', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '14'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '123.935'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'CD2 The Eighties'
'TBPM' (BPM (beats per minute))                     '123.935'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Gadda-Da-Vida'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boney M.'
'TPE2' (Band/orchestra/accompaniment)               'Boney M.'
'TRCK' (Track number/Position in set)               '07/14'
'TXXX:DISCID'                                       'B910160E'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'dance', '70s', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.443932'

========================== row from database ==========================
                                              'id'  1349015
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Boney M. - Boney M/2008.The Collection/CD2. The Eighties/07.Gadda-Da-Vida.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  305
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  12332669
                                           'mtime'  1620533587
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 2008.The Collection CD2. 07.Gadda electronic we disco or italo
                                      'tag_artist'  Boney M.
                                     'tag_release'  CD2 The Eighties
                                       'tag_title'  Gadda-Da-Vida
                                             'bpm'  123.935
                                    'search_title'  'da':2 'gadda':1 'gaddadavida':4 'vida':3
                                   'search_artist'  'boney':1 'm':2,3
                                  'search_release'  'cd2':1 'eighties':3 'the':2
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '07':12 '07gadda':14 '2008':6 '2008the':8 'cd2':10,11 'collection':9 'disco':3 'electronic':15 'gadda':13 'italo':5 'or':17 'the':7 'waves':2 'we':16
                                    'search_combo'  '00disco':14 '00poprockelectronic':11 '07':22 '07gadda':24 '2008':16 '2008the':18 'boney':5B 'cd2':8C,20,21 'collection':19 'da':2A 'disco':13 'eighties':10C 'electronic':25 'gadda':1A,23 'gaddadavida':4A 'italo':15 'm':6B,7B 'or':27 'the':9C,17 'vida':3A 'waves':12 'we':26
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', '70s', 'pop', 'disco']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533586.8674762  (2021-05-09 06:13:06)
                             'size'  12332669