======================== unified (from filesystem) ========================
                                         'bitrate'  '128.062'
                                        'duration'  '156'
                                          'artist'  "Oscar's Chicago Swingers"
                                     'text_people'  ''
                                         'release'  'Flashbacks, Volume 3: Hot & Sexy: CopulationBlues 1926-1940'
                                           'title'  'New Rubbing on That Darn Old Thing'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1920 1940', 'spotify', 'blues', 'jazz', 'all']"
                                     'discogstags'  "['blues', 'jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '25'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-sex;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '84.526'
                                             'key'  '9A'
                                        'acoustid'  'f6afd44d-1c99-444c-9024-7cc61f5c1f63'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000018E7 000018E8 00013531'
'COMM:iTunNORM:eng'                                 (' 000018E7 000018E8 00013531 00013531 0001BA44 0001BA44 00008000 00008000 '
 '00001EA8 0000CDCE')
'TALB' (Album/Movie/Show title)                     'Flashbacks, Volume 3: Hot & Sexy: CopulationBlues 1926-1940'
'TBPM' (BPM (beats per minute))                     '84.526'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted',
 'set-th-sex',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-10-16'
'TIT2' (Title/songname/content description)         'New Rubbing on That Darn Old Thing'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Oscar's Chicago Swingers"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '2/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       "Oscar's Chicago Swingers"
'TXXX:ASIN'                                         'B0000517E6'
'TXXX:Acoustid Id'                                  'f6afd44d-1c99-444c-9024-7cc61f5c1f63'
'TXXX:CATALOGNUMBER'                                'TRIKONT US-0277'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '581f71a9-9ae1-4528-ab6f-08941c988be5'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'a0b5403e-6cd3-46f1-be1c-ff253a577121'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['blues', 'jazz', 'swing']
'TXXX:lastfmtags'                                   ['1920 1940', 'spotify', 'blues', 'jazz', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.299088'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0ba639cc-fc02-468b-bee4-1265a652cbdb')

========================== row from database ==========================
                                              'id'  1505109
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/v.a. - copulation blues - sex songs - 1926-1940/02 - orcar_s chicago swingers - new rubbing on that darn old thing.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  prerock-jb-jazz-unsorted;set-th-sex;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2503515
                                           'mtime'  1620538204
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country v.a. copulation blues sex songs 02 orcar_s chicago swingers new rubbing that darn old thing prerock jb jazz unsorted;set th sex;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Oscar's Chicago Swingers
                                     'tag_release'  Flashbacks, Volume 3: Hot & Sexy: CopulationBlues 1926-1940
                                       'tag_title'  New Rubbing on That Darn Old Thing
                                             'bpm'  84.526
                                    'search_title'  'darn':5 'new':1 'old':6 'on':3 'rubbing':2 'that':4 'thing':7
                                   'search_artist'  'chicago':4 'oscar':1 'oscars':3 's':2 'swingers':5
                                  'search_release'  '1926':10 '19261940':12 '1940':11 '3':4,5 'blues':14 'copulation':13 'copulationblues':9 'flashbacks':1,2 'hot':6 'sexy':7,8 'volume':3
                                     'search_rest'  'a':6 'blues':9 'chicago':14 'copulation':8 'country':4 'darn':19 'exotica':2 'jazz':1 'jb':23 'mor':38 'new':16 'old':20 'oldies':3 'orcar':12 'pl':33 'prerock':22 'rubbing':17 's':13 'set':25,27,30,32,35,37 'sex':10,29,31 'shirleyspinoza':34,36 'songs':11 'swingers':15 'th':28 'that':18 'thing':21 'unsorted':24,26 'v':5 'va':7
                                    'search_combo'  '1926':22C '19261940':24C '1940':23C '3':16C,17C 'a':32 'blues':26C,35 'chicago':11B,40 'copulation':25C,34 'copulationblues':21C 'country':30 'darn':5A,45 'exotica':28 'flashbacks':13C,14C 'hot':18C 'jazz':27 'jb':49 'mor':64 'new':1A,42 'old':6A,46 'oldies':29 'on':3A 'orcar':38 'oscar':8B 'oscars':10B 'pl':59 'prerock':48 'rubbing':2A,43 's':9B,39 'set':51,53,56,58,61,63 'sex':36,55,57 'sexy':19C,20C 'shirleyspinoza':60,62 'songs':37 'swingers':12B,41 'th':54 'that':4A,44 'thing':7A,47 'unsorted':50,52 'v':31 'va':33 'volume':15C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['1920 1940', 'spotify', 'blues', 'jazz', 'all']
                                        'tag_date'  2000
                                     'discogstags'  ['blues', 'jazz', 'swing']

============================== file details ==============================
                                           'mtime'  1620538203.723606  (2021-05-09 07:30:03)
                             'size'  2503515