======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '244'
                                          'artist'  'The Four Tops'
                                     'text_people'  ''
                                         'release'  'Sounds of the 1980s (Super Clasicos)'
                                           'title'  'Loco In Acapulco'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'motown', 'rhythm and blues', 'soul', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '123.2'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 1980s (Super Clasicos)'
'TBPM' (BPM (beats per minute))                     '123.2'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Loco In Acapulco'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Four Tops'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'motown', 'rhythm and blues', 'soul', '60s']
'TXXX:q-bass'                                       '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.461379'

========================== row from database ==========================
                                              'id'  1406807
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Level 42 - Sound of the 1980s (Super Clasicos) (002) (T)/173 - The Four Tops - Loco In Acapulco.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  244
                                           'genre'  funk or soul
                                        'filesize'  3914006
                                           'mtime'  1628357695
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Level 42 (002) (T) 173 funk or soul
                                      'tag_artist'  The Four Tops
                                     'tag_release'  Sounds of the 1980s (Super Clasicos)
                                       'tag_title'  Loco In Acapulco
                                             'bpm'  123.2
                                    'search_title'  'acapulco':3 'in':2 'loco':1
                                   'search_artist'  'four':2 'the':1 'tops':3
                                  'search_release'  '1980s':4 'clasicos':7,8 'of':2 'sounds':1 'super':5,6 'the':3
                                     'search_rest'  '002':7,8 '00poprockelectronic':1 '173':11 '42':6 'dance':3 'funk':12 'generic':2 'level':5 'or':13 'soul':14 't':9,10 'trapbeat':4
                                    'search_combo'  '002':21,22 '00poprockelectronic':15 '173':25 '1980s':10C '42':20 'acapulco':3A 'clasicos':13C,14C 'dance':17 'four':5B 'funk':26 'generic':16 'in':2A 'level':19 'loco':1A 'of':8C 'or':27 'soul':28 'sounds':7C 'super':11C,12C 't':23,24 'the':4B,9C 'tops':6B 'trapbeat':18
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'motown', 'rhythm and blues', 'soul', '60s']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357695.2514887  (2021-08-07 19:34:55)
                             'size'  3914006