======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Elvis Presley'
                                     'text_people'  ''
                                         'release'  'The Top Ten Hits Disc 1'
                                           'title'  'I Want You, I Need You, I Love You'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '016'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '140.433'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:\x1fu\x0e{hgeH\x92öGü§DÄ:'  PRIV(owner='WM/WMCollectionID', data=b'\x1fu\x0e{hgeH\x92\xf6G\xfc\xa7D\xc4:')
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'TALB' (Album/Movie/Show title)                     'The Top Ten Hits Disc 1'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'I Want You, I Need You, I Love You'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '157066'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvis Presley'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '016'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.500284'

========================== row from database ==========================
                                              'id'  1446239
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-016 - Elvis Presley - I Want You, I Need You, I Love You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  6283136
                                           'mtime'  1622659461
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 016 rock pop early rocknroll
                                      'tag_artist'  Elvis Presley
                                     'tag_release'  The Top Ten Hits Disc 1
                                       'tag_title'  I Want You, I Need You, I Love You
                                             'bpm'  140.433
                                    'search_title'  'i':1 'love':6 'need':5 'want':2 'you':3,4
                                   'search_artist'  'elvis':1 'presley':2
                                  'search_release'  '1':6 'disc':5 'hits':4 'ten':3 'the':1 'top':2
                                     'search_rest'  '00oldiepop':5 '1956':6 'country':4 'early':9 'exotica':2 'jazz':1 'oldies':3 'pop':8 'rock':7 'rocknroll':10
                                    'search_combo'  '00oldiepop':19 '1':14C '1956':20 'country':18 'disc':13C 'early':23 'elvis':7B 'exotica':16 'hits':12C 'i':1A 'jazz':15 'love':6A 'need':5A 'oldies':17 'pop':22 'presley':8B 'rock':21 'rocknroll':24 'ten':11C 'the':9C 'top':10C 'want':2A 'you':3A,4A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659460.5780017  (2021-06-02 20:44:20)
                             'size'  6283136