======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '166'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'The Rise and Fall of Ziggy Stardust and the Spiders From Mars'
                                           'title'  "John, I'm Only Dancing"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  "['rock', 'pop', 'art rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '18'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;set-pl-sced'
                                             'bpm'  '154'
                                             'key'  '9B'
                                        'acoustid'  '257b227e-1a73-4a93-90ef-0c0e15c25bf9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000006F7 00000A7A 00002035 00002E68 00009C57 00009C57 00005AB7 000061D3 '
 '00015FD5 00015F90')
'TALB' (Album/Movie/Show title)                     'The Rise and Fall of Ziggy Stardust and the Spiders From Mars'
'TBPM' (BPM (beats per minute))                     '154'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'set-pl-sced']
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         "John, I'm Only Dancing"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TPE2' (Band/orchestra/accompaniment)               'David Bowie'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/18'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USJT10200007'
'TXXX:Acoustid Id'                                  '257b227e-1a73-4a93-90ef-0c0e15c25bf9'
'TXXX:Artists'                                      'David Bowie'
'TXXX:MusicBrainz Album Artist Id'                  '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Album Id'                         '92a5dfe8-db8a-477d-a5ce-06eb1e565463'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Release Group Id'                 '6c9ae3dd-32ad-472c-96be-69d0a3536261'
'TXXX:MusicBrainz Release Track Id'                 '0c947e46-452f-31b3-be25-9109d69c1155'
'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', 'art rock']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.494903'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0cf83641-0fe2-4a20-9527-6b87f261b3f0')
'USLT::XXX'                                         ("Well Anne's pretty neat,\r\n"
 'She always eats her meat,\r\n'
 'Joe is awful strong,\r\n'
 "Bet your life he's puttin' us on.\r\n"
 'Oh lordy!\r\n'
 'Oh Lordy!\r\n'
 "You know I need some lovin'\r\n"
 "I'm movin', touch me!\r\n"
 'CHORUS\r\n'
 "John, I'm only dancing,\r\n"
 'She turns me on,\r\n'
 "But I'm only dancing,\r\n"
 'she turns me on.\r\n'
 "But don't get me wrong.\r\n"
 "I'm only dancing!\r\n"
 '\r\n'
 'Jack is so nice and clean\r\n'
 'Life is a well thumbed machine\r\n'
 "I saw you watchin' from the stairs\r\n"
 "you're everyone who ever cared.\r\n"
 'Oh lordy!\r\n'
 'Oh lordy!\r\n'
 "You know I need some lovin'\r\n"
 "I'm movin'\r\n"
 'Touch me!\r\n'
 'CHORUS (x2)\r\n'
 'Dancing!\r\n'
 "Won't someone touch me.\r\n"
 'TOUCH ME!\r\n'
 'WOAH!')

========================== row from database ==========================
                                              'id'  1517912
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/[1972] Ziggy Stardust/12 Bonus - John, I_m Only Dancing.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  166
                                           'genre'  ifs-songwriter-eos;set-pl-sced
                                        'filesize'  2743943
                                           'mtime'  1637330491
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [1972] 12 Bonus I_m ifs songwriter eos;set pl sced
                                      'tag_artist'  David Bowie
                                     'tag_release'  The Rise and Fall of Ziggy Stardust and the Spiders From Mars
                                       'tag_title'  John, I'm Only Dancing
                                             'bpm'  154.0
                                    'search_title'  'dancing':7 'i':3 'im':5 'john':1,2 'm':4 'only':6
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'and':3 'fall':4 'from':9 'mars':10 'of':5 'rise':2 'spiders':8 'stardust':7 'the':1 'ziggy':6
                                     'search_rest'  '00singer':1 '1972':4,5 'bonus':6 'eos':3,10,12 'i':7 'ifs':9 'm':8 'pl':14 'sced':15 'set':11,13 'songwriter':2
                                    'search_combo'  '00singer':20 '1972':23,24 'and':12C 'bonus':25 'bowie':9B 'dancing':7A 'david':8B 'eos':22,29,31 'fall':13C 'from':18C 'i':3A,26 'ifs':28 'im':5A 'john':1A,2A 'm':4A,27 'mars':19C 'of':14C 'only':6A 'pl':33 'rise':11C 'sced':34 'set':30,32 'songwriter':21 'spiders':17C 'stardust':16C 'the':10C 'ziggy':15C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  9B
                                           '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-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1972
                                     'discogstags'  ['rock', 'pop', 'art rock']

============================== file details ==============================
                                           'mtime'  1637330491.0448425  (2021-11-19 15:01:31)
                             'size'  2743943