======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '580'
                                          'artist'  'Alphaville'
                                     'text_people'  'Metro Music '
                                         'release'  ''
                                           'title'  'Forever Young (The Extended Dance Remix) '
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '99'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '136.8'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000E7D 00000E7C 0000592D 00005AED 00054D98 0001BDE0 000083BE 000085A4 '
 '00031D28 0007EA38')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B12 0000000001A9405E 00000000 01624D40 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '136.8'
'TCOM' (Composer)                                   'Metro Music '
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'iTunes 12.6.2.20'
'TIT2' (Title/songname/content description)         'Forever Young (The Extended Dance Remix) '
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alphaville'
'TPE2' (Band/orchestra/accompaniment)               'Alphaville'
'TRCK' (Track number/Position in set)               '99'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'pop', 'synthpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.521189'

========================== row from database ==========================
                                              'id'  1290749
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/094-D Alphaville - Forever Young (extended dance version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  580
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  23242752
                                           'mtime'  1620565414
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 094 (extended dance version) electronic we electropop synthpop
                                      'tag_artist'  Alphaville
                                     'tag_release'  None
                                       'tag_title'  Forever Young (The Extended Dance Remix) 
                                             'bpm'  136.8
                                    'search_title'  'dance':6 'extended':5 'forever':1 'remix':7,8 'the':3,4 'young':2
                                   'search_artist'  'alphaville':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'complete':3 'dance':6 'electronic':9 'electropop':11 'extended':4,5 'synthpop':12 'version':7,8 'we':10
                                    'search_combo'  '00poprockelectronic':10 '1985':11 'alphaville':9B 'complete':12 'dance':6A,15 'electronic':18 'electropop':20 'extended':5A,13,14 'forever':1A 'remix':7A,8A 'synthpop':21 'the':3A,4A 'version':16,17 'we':19 'young':2A
                                    'tag_tracknum'  99
                                      'num_images'  1
                                             'key'  9B
                                           '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-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'pop', 'synthpop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565414.1897314  (2021-05-09 15:03:34)
                             'size'  23242752