======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '271'
                                          'artist'  'Sister Sledge'
                                     'text_people'  ''
                                         'release'  'Sounds of the 1980s (Super Clasicos)'
                                           'title'  'Thinkin Of you'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['70s', 'female vocalists', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '133.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 1980s (Super Clasicos)'
'TBPM' (BPM (beats per minute))                     '133.1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Thinkin Of you'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sister Sledge'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['70s', 'female vocalists', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.506818'

========================== row from database ==========================
                                              'id'  1406016
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Level 42 - Sound of the 1980s (Super Clasicos) (002) (T)/130 - Sister Sledge - Thinkin Of You.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  271
                                           'genre'  funk or soul
                                        'filesize'  4341534
                                           'mtime'  1628357695
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Level 42 (002) (T) 130 You funk or soul
                                      'tag_artist'  Sister Sledge
                                     'tag_release'  Sounds of the 1980s (Super Clasicos)
                                       'tag_title'  Thinkin Of you
                                             'bpm'  133.1
                                    'search_title'  'of':2 'thinkin':1 'you':3
                                   'search_artist'  'sister':1 'sledge':2
                                  'search_release'  '1980s':4 'clasicos':7,8 'of':2 'sounds':1 'super':5,6 'the':3
                                     'search_rest'  '002':7,8 '00poprockelectronic':1 '130':11 '42':6 'dance':3 'funk':13 'generic':2 'level':5 'or':14 'soul':15 't':9,10 'trapbeat':4 'you':12
                                    'search_combo'  '002':20,21 '00poprockelectronic':14 '130':24 '1980s':9C '42':19 'clasicos':12C,13C 'dance':16 'funk':26 'generic':15 'level':18 'of':2A,7C 'or':27 'sister':4B 'sledge':5B 'soul':28 'sounds':6C 'super':10C,11C 't':22,23 'the':8C 'thinkin':1A 'trapbeat':17 'you':3A,25
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['70s', 'female vocalists', 'soul', 'funk', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357695.1598046  (2021-08-07 19:34:55)
                             'size'  4341534