======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '188'
                                          'artist'  'Lord Beginner'
                                     'text_people'  ''
                                         'release'  ('History of Carnival: Christmas, Carnival, Calenda and Calypso from Trinidad, '
 '1933-1939')
                                           'title'  'Christmas Morning the Rum Had Me Yawning'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['calypso', 'all', 'world']"
                                     'discogstags'  "['reggae', 'calypso']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1939'
                                        'comments'  ''
                                           'genre'  'loc-style-calypso;set-th-christmas'
                                             'bpm'  '120.686'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000004B4 00000400 000018D1'
'COMM:iTunNORM:eng'                                 (' 000004B4 00000400 000018D1 00001B50 0000755E 0000EA60 00005655 00004169 '
 '00015F90 00007575')
'TALB' (Album/Movie/Show title)                     ('History of Carnival: Christmas, Carnival, Calenda and Calypso from Trinidad, '
 '1933-1939')
'TBPM' (BPM (beats per minute))                     '120.686'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-calypso', 'set-th-christmas']
'TDRC' (Recording time)                             '1939'
'TENC' (Encoded by)                                 'ggs'
'TIT2' (Title/songname/content description)         'Christmas Morning the Rum Had Me Yawning'
'TKEY' (Initial key)                                '9A'
'TOAL' (Original album/movie/show title)            'mbd 905 / mbd 905'
'TPE1' (Lead performer(s)/Soloist(s))               'Lord Beginner'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['reggae', 'calypso']
'TXXX:lastfmtags'                                   ['calypso', 'all', 'world']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.999429'

========================== row from database ==========================
                                              'id'  678816
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/history of carnival/History of Carnival - Christmas, Calenda and Calypso from Trinidad, 1933-1939/Christmas Morning the Rum Had Me Yawning (Lord Beginner).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  188
                                           'genre'  loc-style-calypso;set-th-christmas
                                        'filesize'  4557146
                                           'mtime'  1620528315
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country history carnival (Lord Beginner) loc style calypso;set christmas
                                      'tag_artist'  Lord Beginner
                                     'tag_release'  History of Carnival: Christmas, Carnival, Calenda and Calypso from Trinidad, 1933-1939
                                       'tag_title'  Christmas Morning the Rum Had Me Yawning
                                             'bpm'  120.686
                                    'search_title'  'christmas':1 'had':5 'me':6 'morning':2 'rum':4 'the':3 'yawning':7
                                   'search_artist'  'beginner':2 'lord':1
                                  'search_release'  '1933':13 '19331939':15 '1939':14 'and':8 'calenda':7 'calypso':9 'carnival':3,4 'christmas':5,6 'from':10 'history':1 'of':2 'trinidad':11,12
                                     'search_rest'  'beginner':9,10 'calypso':13,15 'carnival':6 'christmas':17 'country':4 'exotica':2 'history':5 'jazz':1 'loc':11 'lord':7,8 'oldies':3 'set':14,16 'style':12
                                    'search_combo'  '1933':22C '19331939':24C '1939':23C 'and':17C 'beginner':9B,33,34 'calenda':16C 'calypso':18C,37,39 'carnival':12C,13C,30 'christmas':1A,14C,15C,41 'country':28 'exotica':26 'from':19C 'had':5A 'history':10C,29 'jazz':25 'loc':35 'lord':8B,31,32 'me':6A 'morning':2A 'of':11C 'oldies':27 'rum':4A 'set':38,40 'style':36 'the':3A 'trinidad':20C,21C 'yawning':7A
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['calypso', 'all', 'world']
                                        'tag_date'  1939
                                     'discogstags'  ['reggae', 'calypso']

============================== file details ==============================
                                           'mtime'  1620528315.0588808  (2021-05-09 04:45:15)
                             'size'  4557146