======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '197'
                                          'artist'  'Bryan Adams & Tina Turner'
                                     'text_people'  ''
                                         'release'  "Now That's What I Call Music! 06 - CD 1"
                                           'title'  "It's Only Love"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'classic rock', '80s', 'pop', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '101.208'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Now That's What I Call Music! 06 - CD 1"
'TBPM' (BPM (beats per minute))                     '101.208'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "It's Only Love"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bryan Adams & Tina Turner'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'classic rock', '80s', 'pop', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.425737'

========================== row from database ==========================
                                              'id'  1498594
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/366 Bryan Adams & Tina Turner - It_s Only Love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  197
                                           'genre'  rock-unsorted
                                        'filesize'  8583161
                                           'mtime'  1620389112
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 366 It_s rock unsorted
                                      'tag_artist'  Bryan Adams & Tina Turner
                                     'tag_release'  Now That's What I Call Music! 06 - CD 1
                                       'tag_title'  It's Only Love
                                             'bpm'  101.208
                                    'search_title'  'it':1 'its':3 'love':5 'only':4 's':2
                                   'search_artist'  'adams':2 'bryan':1 'tina':3 'turner':4
                                  'search_release'  '1':10 'call':7 'cd':9 'i':6 'music':8 'now':1 's':3 'that':2 'thats':4 'what':5
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '366':4 'complete':3 'it':5 'rock':7 's':6 'unsorted':8
                                    'search_combo'  '00poprockelectronic':20 '1':19C '1985':21 '366':23 'adams':7B 'bryan':6B 'call':16C 'cd':18C 'complete':22 'i':15C 'it':1A,24 'its':3A 'love':5A 'music':17C 'now':10C 'only':4A 'rock':26 's':2A,12C,25 'that':11C 'thats':13C 'tina':8B 'turner':9B 'unsorted':27 'what':14C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'classic rock', '80s', 'pop', 'canadian']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389112.2876606  (2021-05-07 14:05:12)
                             'size'  8583161