======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '255'
                                          'artist'  'Billy Idol'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 34'
                                           'title'  'Sweet Sixteen'
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'classic rock', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '73'
                                      'tracktotal'  '100'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-unsorted;electronic-we-new wave or post '
 'punk;rock-cppex;rock-gr-punk')
                                             'bpm'  '104.336'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 34'
'TBPM' (BPM (beats per minute))                     '104.336'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'electronic-we-new wave or post punk',
 'rock-cppex',
 'rock-gr-punk']
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         'Sweet Sixteen'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Idol'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '73/100'
'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', 'classic rock', 'punk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-1.52 dB'
'TXXX:replaygain_track_peak'                        '0.821917'

========================== row from database ==========================
                                              'id'  1354321
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 35/73 Billy Idol - Sweet Sixteen.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  255
                                           'genre'  electronic-generic or radio-unsorted;electronic-we-new wave or post punk;rock-cppex;rock-gr-punk
                                        'filesize'  10712397
                                           'mtime'  1620736975
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 35 73 electronic generic or radio unsorted;electronic new wave or post punk;rock cppex;rock gr punk
                                      'tag_artist'  Billy Idol
                                     'tag_release'  100 Oldies Deel 34
                                       'tag_title'  Sweet Sixteen
                                             'bpm'  104.336
                                    'search_title'  'sixteen':2 'sweet':1
                                   'search_artist'  'billy':1 'idol':2
                                  'search_release'  '100':1 '34':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '35':4 '73':5 'cppex':21,23 'deel':3 'electronic':6,11,13 'generic':7 'gr':25 'new':14 'oldies':2 'or':8 'post':16 'punk':17,19,26 'radio':9 'rock':18,20,22,24 'unsorted':10,12 'wave':15
                                    'search_combo'  '00poprockelectronic':9 '100':5C '34':8C '35':12 '73':13 'billy':3B 'cppex':29,31 'deel':7C,11 'electronic':14,19,21 'generic':15 'gr':33 'idol':4B 'new':22 'oldies':6C,10 'or':16 'post':24 'punk':25,27,34 'radio':17 'rock':26,28,30,32 'sixteen':2A 'sweet':1A 'unsorted':18,20 'wave':23
                                    'tag_tracknum'  73
                                      'num_images'  1
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'classic rock', 'punk', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736974.5660443  (2021-05-11 14:42:54)
                             'size'  10712397