======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '307'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'Blue Lines'
                                           'title'  'Unfinished Sympathy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'trip hop', 'dub', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '9'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '114'
                                             'key'  '7B'
                                        'acoustid'  'b5dcad58-6e4e-453e-828e-c789e6a515fd'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Blue Lines'
'TBPM' (BPM (beats per minute))                     '114'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Unfinished Sympathy'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TPE2' (Band/orchestra/accompaniment)               'Massive Attack'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records/Wild Bunch Records'
'TRCK' (Track number/Position in set)               '6/9'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA1200649'
'TXXX:Acoustid Id'                                  'b5dcad58-6e4e-453e-828e-c789e6a515fd'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:BARCODE'                                      '602547714251'
'TXXX:CATALOGNUMBER'                                '4771425'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '9735dd74-e9f1-4575-afc1-857f2217a9fa'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 '8b6f133a-2fdf-3cc2-b84d-1c889adc0939'
'TXXX:MusicBrainz Release Track Id'                 '49c79f9b-bfcf-4f09-be62-2e264cf6c1c3'
'TXXX:Q-HAP'                                        '3'
'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'                                  ['electronic', 'trip hop', 'dub', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '1991'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.696884'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5813682d-6fe1-4494-92ca-e044e9a30bd0')
'USLT::XXX'                                         ("I know that I've been mad in love before\r\n"
 'And how it could be with you\r\n'
 'Really hurt me baby, really hurt me baby\r\n'
 'How can you have a day without a night\r\n'
 "You're the book that I have opened\r\n"
 "And now I've got to know much more\r\n"
 '\r\n'
 'The curiousness of your potential kiss\r\n'
 'Has got my mind and body aching\r\n'
 'Really hurt me baby, really hurt me baby\r\n'
 'How can you have a day without a night\r\n'
 "You're the book that I have opened\r\n"
 "And now I've got to know much more\r\n"
 '\r\n'
 'Like a soul without a mind\r\n'
 'In a body without a heart\r\n'
 "I'm missing every part\r\n"
 '(x5)')

========================== row from database ==========================
                                              'id'  1456183
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/Blue Lines/Blue Lines__MBZ;#Massive Attack;#Blue Lines;#06;#Unfinished Sympathy.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  307
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9944865
                                           'mtime'  1636910714
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip Lines__MBZ;#Massive Attack;#Blue Lines;#06;#Unfinished electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  Blue Lines
                                       'tag_title'  Unfinished Sympathy
                                             'bpm'  114.0
                                    'search_title'  'sympathy':2 'unfinished':1
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  'blue':1 'lines':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '06':14,17 'acid':24 'attack':9,11 'blue':10,12 'downtempo':23 'electronic':19 'hop':21 'jazz':25 'lines':3,6,13,16 'massive':5,8 'mbz':4,7 'or':22 'trip':20 'unfinished':15,18
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 '06':20,23 'acid':30 'attack':4B,15,17 'blue':5C,16,18 'downtempo':29 'electronic':25 'hop':27 'jazz':31 'lines':6C,9,12,19,22 'massive':3B,11,14 'mbz':10,13 'or':28 'sympathy':2A 'trip':26 'unfinished':1A,21,24
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'trip hop', 'dub', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910714.1862497  (2021-11-14 18:25:14)
                             'size'  9944865