======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '320'
                                          'artist'  'Senor Coconut'
                                     'text_people'  ''
                                         'release'  'El Gran Baile'
                                           'title'  'Upper Mambo / Lower Funk (Mezcla Sentimental)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latin', 'electronic', 'lounge', 'cover', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '103.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'El Gran Baile'
'TBPM' (BPM (beats per minute))                     '103.0'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Upper Mambo / Lower Funk (Mezcla Sentimental)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Señor Coconut'
'TPE2' (Band/orchestra/accompaniment)               'Senor Coconut'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['latin', 'electronic', 'lounge', 'cover', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.389208'

========================== row from database ==========================
                                              'id'  725635
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Señor Coconut - El Gran Gaile [192k]/senor coconut - 04 - upper mambo , lower funk (mezcla sentimental).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  320
                                           'genre'  set-th-novelty
                                        'filesize'  7685608
                                           'mtime'  1621489365
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Señor Gaile [192k] senor coconut 04 upper mambo , lower funk (mezcla sentimental) set th novelty
                                      'tag_artist'  Senor Coconut
                                     'tag_release'  El Gran Baile
                                       'tag_title'  Upper Mambo / Lower Funk (Mezcla Sentimental)
                                             'bpm'  103.0
                                    'search_title'  'funk':4 'lower':3 'mambo':2 'mezcla':5,6 'sentimental':7,8 'upper':1
                                   'search_artist'  'coconut':2 'senor':1
                                  'search_release'  'baile':3 'el':1 'gran':2
                                     'search_rest'  '192k':4,5 'coconut':6 'funk':10 'gaile':3 'lower':9 'mambo':8 'mezcla':11,12 'novelty':17 'senor':1,2 'sentimental':13,14 'set':15 'th':16 'upper':7
                                    'search_combo'  '192k':17,18 'baile':13C 'coconut':10B,19 'el':11C 'funk':4A,23 'gaile':16 'gran':12C 'lower':3A,22 'mambo':2A,21 'mezcla':5A,6A,24,25 'novelty':30 'senor':9B,14,15 'sentimental':7A,8A,26,27 'set':28 'th':29 'upper':1A,20
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['latin', 'electronic', 'lounge', 'cover', 'electronica']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489364.7477002  (2021-05-20 07:42:44)
                             'size'  7685608