======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '183'
                                          'artist'  'Tommy Dorsey & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Your Hit Parade: 1948'
                                           'title'  'Until'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', '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'  "['big band', 'jazz', 'piano', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '24'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '145.371'
                                             'key'  '3B'
                                        'acoustid'  '5f040638-7d08-4076-bce5-b1e759b32b02'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Your Hit Parade: 1948'
'TBPM' (BPM (beats per minute))                     '145.371'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Until'
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '183254'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tommy Dorsey & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Time-Life Music'
'TRCK' (Track number/Position in set)               '22/24'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Dorsey, Tommy & His Orchestra'
'TXXX:ASIN'                                         'B000BDCEAU'
'TXXX:Acoustid Id'                                  '5f040638-7d08-4076-bce5-b1e759b32b02'
'TXXX:CATALOGNUMBER'                                'HPD-12'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '39d473ed-aa1b-4dd5-ab5a-594f21c49a44'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '1e8f0ed0-a67f-4203-97a6-add12b4b1ab3'
'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'                                   ['big band', 'jazz', 'piano', 'swing']
'TXXX:q-bass'                                       '3'
'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'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.461003'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8565ea89-5b65-4e6c-aa90-a66c99481407')

========================== row from database ==========================
                                              'id'  1532783
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/tommy dorsey - until.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  183
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  2944915
                                           'mtime'  1620527975
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection tommy dorsey until prerock jb jazz soft swing
                                      'tag_artist'  Tommy Dorsey & His Orchestra
                                     'tag_release'  Your Hit Parade: 1948
                                       'tag_title'  Until
                                             'bpm'  145.371
                                    'search_title'  'until':1
                                   'search_artist'  'dorsey':2 'his':3 'orchestra':4 'tommy':1
                                  'search_release'  '1948':5 'hit':2 'parade':3,4 'your':1
                                     'search_rest'  '30':5 'collection':7 'country':4 'dorsey':9 'exotica':2 'jazz':1 'jb':12 'oldies':3 'prerock':11 's':6 'soft':13 'swing':14 'tommy':8 'until':10
                                    'search_combo'  '1948':10C '30':15 'collection':17 'country':14 'dorsey':3B,19 'exotica':12 'his':4B 'hit':7C 'jazz':11 'jb':22 'oldies':13 'orchestra':5B 'parade':8C,9C 'prerock':21 's':16 'soft':23 'swing':24 'tommy':2B,18 'until':1A,20 'your':6C
                                    'tag_tracknum'  22
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['big band', 'jazz', 'piano', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527975.037878  (2021-05-09 04:39:35)
                             'size'  2944915