======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '304'
                                          'artist'  'The Smiths'
                                     'text_people'  ''
                                         'release'  'Singles'
                                           'title'  'Last Night I Dreamt That Somebody Loved Me'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'indie', 'alternative', 'rock', 'new wave']"
                                     'discogstags'  "['rock', 'pop rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '18'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '100'
                                             'key'  '8B'
                                        'acoustid'  '73e623ce-9ce9-4e0a-a233-515143f036ab'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Singles'
'TBPM' (BPM (beats per minute))                     '100'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Last Night I Dreamt That Somebody Loved Me'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Smiths'
'TPE2' (Band/orchestra/accompaniment)               'The Smiths'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Direct Marketing, Inc.'
'TRCK' (Track number/Position in set)               '17/18'
'TSO2'                                              'Smiths, The'
'TSOP' (Performer sort order)                       'Smiths, The'
'TSRC' (ISRC (international standard recording code))  'GBAHT8703291'
'TXXX:Acoustid Id'                                  '73e623ce-9ce9-4e0a-a233-515143f036ab'
'TXXX:Artists'                                      'The Smiths'
'TXXX:CATALOGNUMBER'                                'D 108712'
'TXXX:MusicBrainz Album Artist Id'                  '40f5d9e4-2de7-4f2d-ad41-e31a9a9fea27'
'TXXX:MusicBrainz Album Id'                         '4ee0e685-ac5f-4bb8-8fca-a9d5a655e8af'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '40f5d9e4-2de7-4f2d-ad41-e31a9a9fea27'
'TXXX:MusicBrainz Release Group Id'                 '0647de42-9d18-36cf-a6f5-3653f4c8fad5'
'TXXX:MusicBrainz Release Track Id'                 '010072fe-ff93-4ebf-bd11-3a8b9f20842a'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'indie rock']
'TXXX:lastfmtags'                                   ['80s', 'indie', 'alternative', 'rock', 'new wave']
'TXXX:mood'                                         ('Not electronic/Not party/Not acoustic/Not aggressive/Not sad/Not relaxed/Not '
 'happy')
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.607023'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'eb872832-1385-41ea-b4f4-ebc8248d21b6')
'USLT::XXX'                                         ('Last night I dreamt\r\n'
 'That somebody loved me\r\n'
 'No hope - no harm\r\n'
 'Just another false alarm\r\n'
 '\r\n'
 'Last night I felt\r\n'
 'Real arms around me\r\n'
 'No hope - no harm\r\n'
 'Just another false alarm\r\n'
 '\r\n'
 'So tell me how long\r\n'
 'Before the last one?\r\n'
 'And tell me how long\r\n'
 'Before the right one?\r\n'
 '\r\n'
 'This story is old - I KNOW\r\n'
 'But it goes on\r\n'
 'This story is old - I KNOW\r\n'
 'But it goes on\r\n'
 '\r\n'
 'It goes on...')

========================== row from database ==========================
                                              'id'  1346746
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Smiths/Singles/The Smiths - Last Night I Dreamt That Somebody Loved Me - 17.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  304
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  9805478
                                           'mtime'  1636916988
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk 17 ifs songwriter indie unsorted
                                      'tag_artist'  The Smiths
                                     'tag_release'  Singles
                                       'tag_title'  Last Night I Dreamt That Somebody Loved Me
                                             'bpm'  100.0
                                    'search_title'  'dreamt':4 'i':3 'last':1 'loved':7 'me':8 'night':2 'somebody':6 'that':5
                                   'search_artist'  'smiths':2 'the':1
                                  'search_release'  'singles':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 'disco':3 'ifs':6 'indie':8 'postpunk':5 'songwriter':7 'unsorted':9 'waves':2
                                    'search_combo'  '00newwave':15 '00poprockelectronic':12 'disco':14 'dreamt':4A 'i':3A 'ifs':17 'indie':19 'last':1A 'loved':7A 'me':8A 'night':2A 'postpunk':16 'singles':11C 'smiths':10B 'somebody':6A 'songwriter':18 'that':5A 'the':9B 'unsorted':20 'waves':13
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'indie', 'alternative', 'rock', 'new wave']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'pop rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636916987.574441  (2021-11-14 20:09:47)
                             'size'  9805478