======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Let It Be'
                                           'title'  'One After 909'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '92.1'
                                             'key'  '10A'
                                        'acoustid'  'eba12b86-1b77-418f-85b1-1d02d2571c92'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Let It Be'
'TBPM' (BPM (beats per minute))                     '92.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1970'
'TDRC' (Recording time)                             '1970-11-06'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Phil Spector']])
'TIT2' (Title/songname/content description)         'One After 909'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beatles'
'TPE2' (Band/orchestra/accompaniment)               'The Beatles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Apple Records'
'TRCK' (Track number/Position in set)               '9/12'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0601716'
'TXXX:Acoustid Id'                                  'eba12b86-1b77-418f-85b1-1d02d2571c92'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PCS 7096'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         '23f4c1d1-fd0e-3d56-ad43-4672e462e9fb'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Release Group Id'                 'bff544a7-56e0-3ed6-9e0f-3b676cca9111'
'TXXX:MusicBrainz Release Track Id'                 '86fc24e1-a182-3635-9fae-12526ca70a38'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1970'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.501983'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e1f05d06-06ad-4f22-9c81-c94c0f44fe41')
'USLT::XXX'                                         ('(Intro)\r\n'
 '\r\n'
 "My baby says she's traveling\r\n"
 'on the one after 909\r\n'
 'I said move over honey\r\n'
 "I'm traveling on that line\r\n"
 '\r\n'
 'I said move over once\r\n'
 'Move over twice\r\n'
 "Come on baby,don't be cold as ice\r\n"
 "I said I'm traveling on the one after 909\r\n"
 '\r\n'
 'I begged her not to go\r\n'
 'And I begged her on my bended knees\r\n'
 "You're only fooling around\r\n"
 "You're only fooling around with me\r\n"
 '\r\n'
 'I said move over once\r\n'
 'Move over twice\r\n'
 "Come on baby, don't be cold as ice\r\n"
 "I said I'm traveling on the one after 909\r\n"
 '\r\n'
 "I've got my bag, run to the station\r\n"
 "Railman says you've got the wrong location\r\n"
 'Picked up my bags, run right home\r\n'
 "Then I find I've got the number wrong\r\n"
 '\r\n'
 "Well, I said I'm travelingon the one after 909\r\n"
 'I said move over honey\r\n'
 "I'm traveling on that line\r\n"
 'I said move over once\r\n'
 'Move over twice\r\n'
 "Come on baby, don't be cold as ice\r\n"
 "I said I'm traveling on the one after 909\r\n"
 '\r\n'
 "I've got my bag, run to the station\r\n"
 "Railman says you've got the wrong location (yeah)\r\n"
 '\r\n'
 'Picked up my bags, run right home (run right home)\r\n'
 "Then I find I've got the number wrong\r\n"
 "Well, I said I'm traveling\r\n"
 'on the one after 909\r\n'
 '\r\n'
 'I said move over honey\r\n'
 "I'm traveling on that line\r\n"
 'I said move over once\r\n'
 'Move over twice\r\n'
 "Come on baby, don't be cold as ice\r\n"
 "I said I'm traveling on the one after 909\r\n"
 '\r\n'
 'Yeah')

========================== row from database ==========================
                                              'id'  1524371
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_70-let it be/The Beatles - One After 909.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  rock-cppex-classic
                                        'filesize'  2878891
                                           'mtime'  1636039099
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _70 let it be rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Let It Be
                                       'tag_title'  One After 909
                                             'bpm'  92.1
                                    'search_title'  '909':3 'after':2 'one':1
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'be':3 'it':2 'let':1
                                     'search_rest'  '00poprockelectronic':1 '70':2 'be':5 'classic':8 'cppex':7 'it':4 'let':3 'rock':6
                                    'search_combo'  '00poprockelectronic':9 '70':10 '909':3A 'after':2A 'be':8C,13 'beatles':5B 'classic':16 'cppex':15 'it':7C,12 'let':6C,11 'one':1A 'rock':14 'the':4B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636039099.1961508  (2021-11-04 16:18:19)
                             'size'  2878891