======================== unified (from filesystem) ========================
                                         'bitrate'  '253.47'
                                        'duration'  '191'
                                          'artist'  'U2'
                                     'text_people'  ''
                                         'release'  'How To Dismantle An Atomic Bomb'
                                           'title'  'Vertigo'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['irish', 'classic rock', 'alternative', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '139.370'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'How To Dismantle An Atomic Bomb'
'TBPM' (BPM (beats per minute))                     '139.370'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'MP3 Lame'
'TIT2' (Title/songname/content description)         'Vertigo'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'U2'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['irish', 'classic rock', 'alternative', 'pop', 'rock']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.63 dB'
'TXXX:replaygain_track_peak'                        '0.346871'
'USLT::eng'                                         ('Uno, dos, tres, catorce\r\n'
 '(Turn it up loud, captain)\r\n'
 '\r\n'
 'Lights go down\r\n'
 "It's dark, the jungle is\r\n"
 "Your head can't rule your heart\r\n"
 "I'm feeling so much stron-ger\r\n"
 'Than I thought\r\n'
 'Your eyes are wide\r\n'
 'And though your soul\r\n'
 "It can't be bought\r\n"
 'Your mind can wander\r\n'
 '\r\n'
 'Hello, hello (¡Hola!)\r\n'
 "I'm at a place called Vertigo (¿Dónde está?)\r\n"
 "It's everything I wish I didn't know\r\n"
 'Except you give me something\r\n'
 'I can feel, feel\r\n'
 '\r\n'
 'The night is full of holes\r\n'
 'As bullets rip the sky\r\n'
 'Of ink with gold\r\n'
 'They twinkle as the boys\r\n'
 'Play rock and roll\r\n'
 "They know that they can't dance\r\n"
 'At least they know\r\n'
 '\r\n'
 'I can sell the beats\r\n'
 "I'm asking for the check\r\n"
 'The girl with crimson nails\r\n'
 'Has Jesus around her neck\r\n'
 'Swinging to the music\r\n'
 'Swinging to the music\r\n'
 '\r\n'
 'Hello, hello (¡Hola!)\r\n'
 "I'm at a place called Vertigo (¿Dónde está?)\r\n"
 "It's everything I wish I didn't know\r\n"
 'But you give me something\r\n'
 'I can feel, feel\r\n'
 '\r\n'
 '(Check it)\r\n'
 '(Shots fall)\r\n'
 "(She'll make it)\r\n"
 '\r\n'
 'All this, all of this can be yours\r\n'
 'All of this, all of this can be yours\r\n'
 'All this, all of this can be yours\r\n'
 'Just give me what I want\r\n'
 'And no one gets hurt\r\n'
 '\r\n'
 'Hello, hello (¡Hola!)\r\n'
 "We're at a place called Vertigo (¿Dónde está?)\r\n"
 'Lights go down, and all I know\r\n'
 'Is that you give me something\r\n'
 'I can feel your love teaching me how \r\n'
 'Your love is teaching me how\r\n'
 'How to kneel, kneel\r\n'
 '\r\n'
 'Yeah, yeah, yeah, yeah\r\n'
 'Yeah, yeah, yeah, yeah\r\n'
 'Yeah, yeah, yeah, yeah\r\n'
 'Yeah, yeah, yeah, yeah')

========================== row from database ==========================
                                              'id'  1350969
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/U2 - Vertigo.mp3
                                         'working'  None
                                         'bitrate'  253
                                    'duration_sec'  191
                                           'genre'  rock-pop
                                        'filesize'  6064612
                                           'mtime'  1620392378
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] rock pop
                                      'tag_artist'  U2
                                     'tag_release'  How To Dismantle An Atomic Bomb
                                       'tag_title'  Vertigo
                                             'bpm'  139.37
                                    'search_title'  'vertigo':1
                                   'search_artist'  'u2':1
                                  'search_release'  'an':4 'atomic':5 'bomb':6 'dismantle':3 'how':1 'to':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'pop':8 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'an':6C 'atomic':7C 'bomb':8C 'dismantle':5C 'files':13,14 'how':3C 'loose':11,12 'pop':16 'rock':15 'to':4C 'u2':2B 'unsorted':10 'vertigo':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['irish', 'classic rock', 'alternative', 'pop', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620392377.5685263  (2021-05-07 14:59:37)
                             'size'  6064612