======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '127'
                                          'artist'  'Los Huracanes'
                                     'text_people'  'J. Andreu'
                                         'release'  'Psychodelicias Vol. 6'
                                           'title'  'El Calor Del Verano'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
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 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['all', 'spanish psychsploitation', 'los soberanos']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '128.332'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 6'
'TBPM' (BPM (beats per minute))                     '128.332'
'TCOM' (Composer)                                   'J. Andreu'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'El Calor Del Verano'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Huracanes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rama Lama'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'spanish psychsploitation', 'los soberanos']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.30 dB'
'TXXX:replaygain_track_peak'                        '0.492102'

========================== row from database ==========================
                                              'id'  1415868
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.06 (spanish 60s)/13 Los Huracanes - El Calor Del Verano.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  127
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  5391856
                                           'mtime'  1620736868
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.06 (spanish 60s) 13 rock cppex psychedelic
                                      'tag_artist'  Los Huracanes
                                     'tag_release'  Psychodelicias Vol. 6
                                       'tag_title'  El Calor Del Verano
                                             'bpm'  128.332
                                    'search_title'  'calor':2 'del':3 'el':1 'verano':4
                                   'search_artist'  'huracanes':2 'los':1
                                  'search_release'  '6':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '06':3 '60s':7,8 'classicprogpsy':1 'cppex':10 'psychedelic':11 'rock':9 'spanish':5,6 'vol':2 'vol06':4
                                    'search_combo'  '06':13 '6':10C '60s':17,18 'calor':2A 'classicprogpsy':11 'cppex':20 'del':3A 'el':1A 'huracanes':6B 'los':5B 'psychedelic':21 'psychodelicias':7C 'rock':19 'spanish':15,16 'verano':4A 'vol':8C,9C,12 'vol06':14
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['all', 'spanish psychsploitation', 'los soberanos']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736868.4142928  (2021-05-11 14:41:08)
                             'size'  5391856