======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '54'
                                          'artist'  'Tatyana Sat'
                                     'text_people'  ''
                                         'release'  'Tuva: Voices From the Center of Asia'
                                           'title'  'Lullaby'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'spotify']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  '33'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '143.721'
                                             'key'  '6A'
                                        'acoustid'  '0c405a91-4091-4d25-915a-15b2ca4a2ae0'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tuva: Voices From the Center of Asia'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'iTunes v1.1'
'TIT2' (Title/songname/content description)         'Lullaby'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tatyana Sat'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Smithsonian Folkways'
'TRCK' (Track number/Position in set)               '27/33'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Tatyana Sat'
'TXXX:ASIN'                                         'B000001DGS'
'TXXX:Acoustid Id'                                  '0c405a91-4091-4d25-915a-15b2ca4a2ae0'
'TXXX:BARCODE'                                      '093074001721'
'TXXX:CATALOGNUMBER'                                'SF 40017'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'c0b56c6b-067d-4d59-b338-28ae72e21cba'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '722c4f40-d959-4795-b575-b1228272f055'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['all', 'spotify']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.510092'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'013e8d0c-7a68-49fd-a22c-856b581c7d7e')

========================== row from database ==========================
                                              'id'  474090
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Tuva： Voices From the Center of Asia (Smithsonian Folkways, 1990) [192k]/27 Lullaby.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  54
                                           'genre'  loc-asia
                                        'filesize'  1321546
                                           'mtime'  1652397845
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad Tuva： (Smithsonian Folkways, 1990) [192k] 27 loc asia
                                      'tag_artist'  Tatyana Sat
                                     'tag_release'  Tuva: Voices From the Center of Asia
                                       'tag_title'  Lullaby
                                             'bpm'  143.721
                                    'search_title'  'lullaby':1
                                   'search_artist'  'sat':2 'tatyana':1
                                  'search_release'  'asia':8 'center':6 'from':4 'of':7 'the':5 'tuva':1,2 'voices':3
                                     'search_rest'  '1':4,5,6 '192k':17,18 '1990':15,16 '27':19 'asia':21 'folkways':13,14 'loc':20 'smithsonian':11,12 'trad':7 'tuva':8,9,10 'va':1,2 'world':3
                                    'search_combo'  '1':15,16,17 '192k':28,29 '1990':26,27 '27':30 'asia':11C,32 'center':9C 'folkways':24,25 'from':7C 'loc':31 'lullaby':1A 'of':10C 'sat':3B 'smithsonian':22,23 'tatyana':2B 'the':8C 'trad':18 'tuva':4C,5C,19,20,21 'va':12,13 'voices':6C 'world':14
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['all', 'spotify']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397844.6351876  (2022-05-13 01:24:04)
                             'size'  1321546