======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '166'
                                          'artist'  'Carla and Rufus'
                                     'text_people'  ''
                                         'release'  'The Complete Stax/Volt Singles 1959-1968 [Disc 1]'
                                           'title'  "'Cause I Love You"
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-OLDST-2', 'q-syn-1', "
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 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'rnb', 'all', 'stax', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '29'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '128.170'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Media Center'
'COMM:iTunNORM:eng'                                 (' 00000A5E 00000A4D 000059F5 0000599A 0001F596 0001F550 00006FFA 0000707D '
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'COMM:ia Jukebox: Album Artist:Med'                 'Stax-Volt'
'COMM:ia Jukebox: Intensity:Med'                    '2'
'COMM:ia Jukebox: Peak Level:Med'                   '0,87482'
'COMM:ia Jukebox: Replay Gain:Med'                  '-13,25148'
'COMM:ia Jukebox: Tool Name:Med'                    'Media Center'
'COMM:ia Jukebox: Tool Version:Med'                 '10.0.38'
'TALB' (Album/Movie/Show title)                     'The Complete Stax/Volt Singles 1959-1968 [Disc 1]'
'TBPM' (BPM (beats per minute))                     '128.170'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "'Cause I Love You"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '166600'
'TPE1' (Lead performer(s)/Soloist(s))               'Carla and Rufus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/9'
'TRCK' (Track number/Position in set)               '2/29'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'rnb', 'all', 'stax', 'rhythm and blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.369505'

========================== row from database ==========================
                                              'id'  1516254
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 - carla & rufus thomas - disc 1 - _cause i love you.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  166
                                           'genre'  prerock-jb-blues
                                        'filesize'  4014753
                                           'mtime'  1620403805
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 carla & rufus thomas disc _cause love you prerock jb blues
                                      'tag_artist'  Carla and Rufus
                                     'tag_release'  The Complete Stax/Volt Singles 1959-1968 [Disc 1]
                                       'tag_title'  'Cause I Love You
                                             'bpm'  128.17
                                    'search_title'  'cause':1,2 'i':3 'love':4 'you':5
                                   'search_artist'  'and':2 'carla':1 'rufus':3
                                  'search_release'  '1':12,13 '1959':7 '19591968':9 '1968':8 'complete':2 'disc':10,11 'singles':6 'stax':3 'staxvolt':5 'the':1 'volt':4
                                     'search_rest'  '00poprockelectronic':1 'blues':16 'carla':7 'cause':11 'disc':10 'files':5,6 'jb':15 'loose':3,4 'love':12 'prerock':14 'rufus':8 'thomas':9 'unsorted':2 'you':13
                                    'search_combo'  '00poprockelectronic':22 '1':20C,21C '1959':15C '19591968':17C '1968':16C 'and':7B 'blues':37 'carla':6B,28 'cause':1A,2A,32 'complete':10C 'disc':18C,19C,31 'files':26,27 'i':3A 'jb':36 'loose':24,25 'love':4A,33 'prerock':35 'rufus':8B,29 'singles':14C 'stax':11C 'staxvolt':13C 'the':9C 'thomas':30 'unsorted':23 'volt':12C 'you':5A,34
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'rnb', 'all', 'stax', 'rhythm and blues']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620403804.8679273  (2021-05-07 18:10:04)
                             'size'  4014753