======================== unified (from filesystem) ========================
                                         'bitrate'  '203.338'
                                        'duration'  '283'
                                          'artist'  'Depeche Mode'
                                     'text_people'  'Martin L. Gore'
                                         'release'  'Violator'
                                           'title'  'Sweetest Perfection'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '136.276'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:dËc\x98*®tM¼ð¿\x8c_âAÒ'     PRIV(owner='WM/WMCollectionID', data=b'd\xcbc\x98*\xaetM\xbc\xf0\xbf\x8c_\xe2A\xd2')
'PRIV:WM/WMContentID:Þ(3ô¡®©G¥\x98\x02q5N¶l'        PRIV(owner='WM/WMContentID', data=b'\xde(3\xf4\xa1\xae\xa9G\xa5\x98\x02q5N\xb6l')
'PRIV:http://www.cdtag.com:\x02\x00Ë*s\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xcb*s\x00')
'TALB' (Album/Movie/Show title)                     'Violator'
'TBPM' (BPM (beats per minute))                     '136.276'
'TCOM' (Composer)                                   'Martin L. Gore'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2006-04-03'
'TIT2' (Title/songname/content description)         'Sweetest Perfection'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TPE2' (Band/orchestra/accompaniment)               'Depeche Mode'
'TPUB' (Publisher)                                  'Mute'
'TRCK' (Track number/Position in set)               '2'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Remastered'
'TXXX:Rip date'                                     '2006-03-30'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.436819'

========================== row from database ==========================
                                              'id'  1346662
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/1990-Depeche_Mode-Violator-(Remastered)-2006-RNS/02-depeche_mode-sweetest_perfection.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  283
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  7218030
                                           'mtime'  1636922597
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1990 Depeche_Mode (Remastered) 2006 RNS 02 depeche_mode sweetest_perfection electronic electropop synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  Violator
                                       'tag_title'  Sweetest Perfection
                                             'bpm'  136.276
                                    'search_title'  'perfection':2 'sweetest':1
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  'violator':1
                                     'search_rest'  '00poprockelectronic':1 '1990':2 '2006':7 'depeche':3 'electronic':11 'electropop':12 'mode':4 'perfection':10 'remastered':5,6 'rns':8 'sweetest':9 'synthpop':13
                                    'search_combo'  '00poprockelectronic':6 '1990':7 '2006':12 'depeche':3B,8 'electronic':16 'electropop':17 'mode':4B,9 'perfection':2A,15 'remastered':10,11 'rns':13 'sweetest':1A,14 'synthpop':18 'violator':5C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922597.0250354  (2021-11-14 21:43:17)
                             'size'  7218030