======================== unified (from filesystem) ========================
                                         'bitrate'  '200.184'
                                        'duration'  '170'
                                          'artist'  'Washboard Rhythm Kings'
                                     'text_people'  ''
                                         'release'  'Flashbacks, Volume 3: Hot & Sexy: CopulationBlues 1926-1940'
                                           'title'  "Street Walkin' Blues"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'early jazz', 'swing', 'skiffle', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '25'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'set-th-sex;prerock-jb-jazz-unsorted'
                                             'bpm'  '112.258'
                                             'key'  '7B'
                                        'acoustid'  '5e0905f2-9a26-4996-a7fb-18eb48b1cd93'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flashbacks, Volume 3: Hot & Sexy: CopulationBlues 1926-1940'
'TBPM' (BPM (beats per minute))                     '112.258'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-sex', 'prerock-jb-jazz-unsorted']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-10-16'
'TIT2' (Title/songname/content description)         "Street Walkin' Blues"
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Washboard Rhythm Kings'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '15/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Washboard Rhythm Kings'
'TXXX:ASIN'                                         'B0000517E6'
'TXXX:Acoustid Id'                                  '5e0905f2-9a26-4996-a7fb-18eb48b1cd93'
'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'                        'fef8ae6b-b1c9-4412-a627-1958ea222289'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'early jazz', 'swing', 'skiffle', 'blues']
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.295058'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6edb738b-b801-40f3-87b1-93933d2d8490')

========================== row from database ==========================
                                              'id'  1500177
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Various Artists - Copulation Blues (1926 - 1940)/15 - washboard rhythm kings - street walkin_ blues.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  170
                                           'genre'  set-th-sex;prerock-jb-jazz-unsorted
                                        'filesize'  4266358
                                           'mtime'  1620537075
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Various Artists (1926 1940) 15 washboard rhythm kings street walkin_ blues set sex;prerock jb jazz unsorted
                                      'tag_artist'  Washboard Rhythm Kings
                                     'tag_release'  Flashbacks, Volume 3: Hot & Sexy: CopulationBlues 1926-1940
                                       'tag_title'  Street Walkin' Blues
                                             'bpm'  112.258
                                    'search_title'  'blues':4 'street':1 'walkin':2,3
                                   'search_artist'  'kings':3 'rhythm':2 'washboard':1
                                  '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'  '1926':7,8 '1940':9,10 'artists':6 'blues':16 'country':4 'exotica':2 'jazz':1 'jb':22 'kings':13 'oldies':3 'prerock':19,21 'rhythm':12 'set':17 'sex':18,20 'street':14 'unsorted':23 'various':5 'walkin':15 'washboard':11
                                    'search_combo'  '1926':17C,28,29 '19261940':19C '1940':18C,30,31 '3':11C,12C 'artists':27 'blues':4A,21C,37 'copulation':20C 'copulationblues':16C 'country':25 'exotica':23 'flashbacks':8C,9C 'hot':13C 'jazz':22 'jb':43 'kings':7B,34 'oldies':24 'prerock':40,42 'rhythm':6B,33 'set':38 'sex':39,41 'sexy':14C,15C 'street':1A,35 'unsorted':44 'various':26 'volume':10C 'walkin':2A,3A,36 'washboard':5B,32
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', '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'  ['all', 'jazz', 'early jazz', 'swing', 'skiffle', 'blues']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537074.5710084  (2021-05-09 07:11:14)
                             'size'  4266358