======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '160'
                                          'artist'  'DEVO'
                                     'text_people'  ''
                                         'release'  'Q: Are We Not Men? A: We Are Devo!'
                                           'title'  "(I Can't Get No) Satisfaction"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'alternative', 'post punk', 'rock']"
                                     'discogstags'  "['new wave', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '102.333'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000366 000004C0 00000FCF'
'COMM:iTunNORM:eng'                                 (' 00000366 000004C0 00000FCF 000011A6 00024A35 00015FD5 00004D26 00005082 '
 '00009C57 00015FD5')
'TALB' (Album/Movie/Show title)                     'Q: Are We Not Men? A: We Are Devo!'
'TBPM' (BPM (beats per minute))                     '102.333'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         "(I Can't Get No) Satisfaction"
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '160000'
'TPE1' (Lead performer(s)/Soloist(s))               'DEVO'
'TRCK' (Track number/Position in set)               '02'
'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:discogstags'                                  ['new wave', 'electronic']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'alternative', 'post punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.625358'

========================== row from database ==========================
                                              'id'  1507714
                                            'path'  /data/Music/Bulk/00poprockelectronic/DEVO/Q_ Are We Not Men_ A_ We Are Devo!/02 (I Can_t Get No) Satisfaction.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  160
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5329217
                                           'mtime'  1620568759
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Q_ Men_ A_ 02 Can_t electronic we new wave or post punk
                                      'tag_artist'  DEVO
                                     'tag_release'  Q: Are We Not Men? A: We Are Devo!
                                       'tag_title'  (I Can't Get No) Satisfaction
                                             'bpm'  102.333
                                    'search_title'  'can':3 'cant':5 'get':6 'i':1,2 'no':7,8 'satisfaction':9 't':4
                                   'search_artist'  'devo':1
                                  'search_release'  'a':7,8 'are':3 'devo':9 'men':6 'not':5 'q':1,2 'we':4
                                     'search_rest'  '00poprockelectronic':1 'a':4 'can':5 'electronic':7 'men':3 'new':9 'or':11 'post':12 'punk':13 'q':2 't':6 'wave':10 'we':8
                                    'search_combo'  '00poprockelectronic':20 'a':17C,18C,23 'are':13C 'can':3A,24 'cant':5A 'devo':10B,19C 'electronic':26 'get':6A 'i':1A,2A 'men':16C,22 'new':28 'no':7A,8A 'not':15C 'or':30 'post':31 'punk':32 'q':11C,12C,21 'satisfaction':9A 't':4A,25 'wave':29 'we':14C,27
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'alternative', 'post punk', 'rock']
                                        'tag_date'  1978
                                     'discogstags'  ['new wave', 'electronic']

============================== file details ==============================
                                           'mtime'  1620568759.1753075  (2021-05-09 15:59:19)
                             'size'  5329217