======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '147'
                                          'artist'  'Fanfare Ciocarlia'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Moliendo Cafe'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-3', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['balkan', 'gypsy', 'folk', 'brass', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '115.130'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '115.130'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Moliendo Cafe'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fanfare Ciocarlia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['balkan', 'gypsy', 'folk', 'brass', 'world']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.00 dB'
'TXXX:replaygain_track_peak'                        '0.537726'

========================== row from database ==========================
                                              'id'  949236
                                            'path'  /data/Music/Bulk/sns/Fanfare_Ciocarlia_-_Moliendo_Cafe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  147
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3535058
                                           'mtime'  1621630395
                                   'redo_metaread'  0
                                        'rest_str'   sns Fanfare_Ciocarlia_ _Moliendo_Cafe set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Fanfare Ciocarlia
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Moliendo Cafe
                                             'bpm'  115.13
                                    'search_title'  'cafe':2 'moliendo':1
                                   'search_artist'  'ciocarlia':2 'fanfare':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'cafe':5 'ciocarlia':3 'fanfare':2 'moliendo':4 'mor':12 'pl':7 'set':6,9,11 'shirleyspinoza':8,10 'sns':1
                                    'search_combo'  'cafe':2A,11 'ciocarlia':4B,9 'fanfare':3B,8 'moliendo':1A,10 'mor':18 'pl':13 'set':12,15,17 'shirley':5C 'shirleyspinoza':14,16 'sns':7 'spinoza':6C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['balkan', 'gypsy', 'folk', 'brass', 'world']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630395.0866296  (2021-05-21 22:53:15)
                             'size'  3535058