======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '267'
                                          'artist'  'Senor Coconut'
                                     'text_people'  ''
                                         'release'  'El Gran Baile'
                                           'title'  'Chocolatina (Guaguanco Libre)'
                                           '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-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latin', 'electronic', 'lounge', 'cover', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '134.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'El Gran Baile'
'TBPM' (BPM (beats per minute))                     '134.6'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Chocolatina (Guaguanco Libre)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Señor Coconut'
'TPE2' (Band/orchestra/accompaniment)               'Senor Coconut'
'TRCK' (Track number/Position in set)               '03'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.454709'

========================== row from database ==========================
                                              'id'  727867
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Señor Coconut - El Gran Gaile [192k]/senor coconut - 03 - chocolatina (guaguanco libre).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  267
                                           'genre'  set-th-novelty
                                        'filesize'  6429207
                                           'mtime'  1621489362
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Señor Gaile [192k] senor coconut 03 chocolatina (guaguanco libre) set th novelty
                                      'tag_artist'  Senor Coconut
                                     'tag_release'  El Gran Baile
                                       'tag_title'  Chocolatina (Guaguanco Libre)
                                             'bpm'  134.6
                                    'search_title'  'chocolatina':1 'guaguanco':2,3 'libre':4,5
                                   'search_artist'  'coconut':2 'senor':1
                                  'search_release'  'baile':3 'el':1 'gran':2
                                     'search_rest'  '192k':4,5 'chocolatina':7 'coconut':6 'gaile':3 'guaguanco':8,9 'libre':10,11 'novelty':14 'senor':1,2 'set':12 'th':13
                                    'search_combo'  '192k':14,15 'baile':10C 'chocolatina':1A,17 'coconut':7B,16 'el':8C 'gaile':13 'gran':9C 'guaguanco':2A,3A,18,19 'libre':4A,5A,20,21 'novelty':24 'senor':6B,11,12 'set':22 'th':23
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['latin', 'electronic', 'lounge', 'cover', 'electronica']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489362.3416092  (2021-05-20 07:42:42)
                             'size'  6429207