======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '519'
                                          'artist'  'wonder'
                                     'text_people'  ' '
                                         'release'  'Space Disco - The Top 50'
                                           'title'  'up and down (12 inch)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dubstep', 'grime', 'electronic', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '35'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '130.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000813 00000768 0000361A 00002D4A 0005A57E 0003F7B7 00006959 0000647F '
 '0007050E 0007A120')
'TALB' (Album/Movie/Show title)                     'Space Disco - The Top 50'
'TBPM' (BPM (beats per minute))                     '130.4'
'TCOM' (Composer)                                   ' '
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT1' (Content group description)                  ' '
'TIT2' (Title/songname/content description)         'up and down (12 inch)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'wonder'
'TRCK' (Track number/Position in set)               '35'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dubstep', 'grime', 'electronic', 'hip-hop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.854588'

========================== row from database ==========================
                                              'id'  1284893
                                            'path'  /data/Music/Bulk/00poprockelectronic/v.a. - space disco_the top 50/35 wonder - up and down (12 inch).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  519
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  16779540
                                           'mtime'  1620573973
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic v.a. space disco_the top 35 electronic we disco or italo
                                      'tag_artist'  wonder
                                     'tag_release'  Space Disco - The Top 50
                                       'tag_title'  up and down (12 inch)
                                             'bpm'  130.4
                                    'search_title'  '12':4,5 'and':2 'down':3 'inch':6,7 'up':1
                                   'search_artist'  'wonder':1
                                  'search_release'  '50':5 'disco':2 'space':1 'the':3 'top':4
                                     'search_rest'  '00poprockelectronic':1 '35':9 'a':3 'disco':6,12 'electronic':10 'italo':14 'or':13 'space':5 'the':7 'top':8 'v':2 'va':4 'we':11
                                    'search_combo'  '00poprockelectronic':14 '12':4A,5A '35':22 '50':13C 'a':16 'and':2A 'disco':10C,19,25 'down':3A 'electronic':23 'inch':6A,7A 'italo':27 'or':26 'space':9C,18 'the':11C,20 'top':12C,21 'up':1A 'v':15 'va':17 'we':24 'wonder':8B
                                    'tag_tracknum'  35
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['dubstep', 'grime', 'electronic', 'hip-hop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573972.8649197  (2021-05-09 17:26:12)
                             'size'  16779540