<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Rocki Lane and the Gross Group'
                                     'text_people'  ''
                                         'release'  '45 Detritus'
                                           'title'  'Happy Hairy Hippy Harry Claus'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-mashup or collage'
                                             'bpm'  '131.413'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382daa30>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1355703"/>
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'COMM:iTunNORM:eng'                                 (' 000000F4 0000011D 00000933 000009B3 00011F72 00011F72 00003E23 00003215 '
 '000068CB 0001ACC6')
'COMM:iTunes_CDDB_1:eng'                            '380F7717+297081+23+150+16151+27526+43119+56399+69032+78978+91475+106251+117932+134164+147708+158257+177645+182577+195420+210073+222012+233509+248877+263109+278654+288143'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '2'
'TALB' (Album/Movie/Show title)                     '45 Detritus'
'TBPM' (BPM (beats per minute))                     '131.413'
'TCON' (Content type, a.k.a. Genre)                 'set-mashup or collage'
'TENC' (Encoded by)                                 'iTunes v4.7'
'TIT2' (Title/songname/content description)         'Happy Hairy Hippy Harry Claus'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rocki Lane and the Gross Group'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.677645'

========================== row from database ==========================
                                              'id'  1355703
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/331_6_Rocki_Lane_and_the_Gross_Group_-_Happy_Hairy_Hippy_Harry_Claus.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  set-mashup or collage
                                        'filesize'  3665397
                                           'mtime'  1620349413
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 331_6_Rocki_Lane_and_the_Gross_Group_ _Happy_Hairy_Hippy_Harry_Claus set mashup or collage
                                      'tag_artist'  Rocki Lane and the Gross Group
                                     'tag_release'  45 Detritus
                                       'tag_title'  Happy Hairy Hippy Harry Claus
                                             'bpm'  131.413
                                    'search_title'  'claus':5 'hairy':2 'happy':1 'harry':4 'hippy':3
                                   'search_artist'  'and':3 'gross':5 'group':6 'lane':2 'rocki':1 'the':4
                                  'search_release'  '45':1 'detritus':2
                                     'search_rest'  '00poprockelectronic':1 '331':2 '6':3 'and':6 'claus':14 'collage':18 'gross':8 'group':9 'hairy':11 'happy':10 'harry':13 'hippy':12 'lane':5 'mashup':16 'or':17 'rocki':4 'set':15 'the':7
                                    'search_combo'  '00poprockelectronic':14 '331':15 '45':12C '6':16 'and':8B,19 'claus':5A,27 'collage':31 'detritus':13C 'gross':10B,21 'group':11B,22 'hairy':2A,24 'happy':1A,23 'harry':4A,26 'hippy':3A,25 'lane':7B,18 'mashup':29 'or':30 'rocki':6B,17 'set':28 'the':9B,20
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620349413.0918026  (2021-05-07 03:03:33)
                             'size'  3665397