======================== unified (from filesystem) ========================
                                         'bitrate'  '226.542'
                                        'duration'  '287'
                                          'artist'  'Blurred'
                                     'text_people'  ''
                                         'release'  'ALT RAD DANCE'
                                           'title'  'Song 2.1'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['techno', 'all', 'retro rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '129.481'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000943 000007CF 00004A95 00'
'COMM:iTunNORM:eng'                                 (' 00000943 000007CF 00004A95 000041DF 00016BFD 00016BFD 00008000 00008000 '
 '0001B48D 00026086')
'TALB' (Album/Movie/Show title)                     'ALT RAD DANCE'
'TBPM' (BPM (beats per minute))                     '129.481'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Song 2.1'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blurred'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'all', 'retro rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.614783'

========================== row from database ==========================
                                              'id'  1288727
                                            'path'  /data/Music/Bulk/00poprockelectronic/ALT RAD DANCE/Blurred - Song 2.1.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  287
                                           'genre'  electronic-unsorted
                                        'filesize'  8146734
                                           'mtime'  1645369861
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic unsorted
                                      'tag_artist'  Blurred
                                     'tag_release'  ALT RAD DANCE
                                       'tag_title'  Song 2.1
                                             'bpm'  129.481
                                    'search_title'  '1':3 '2':2 '21':4 'song':1
                                   'search_artist'  'blurred':1
                                  'search_release'  'alt':1 'dance':3 'rad':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':9 '1':3A '2':2A '21':4A 'alt':6C 'blurred':5B 'dance':8C 'electronic':10 'rad':7C 'song':1A 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']
                                      'lastfmtags'  ['techno', 'all', 'retro rock']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1645369860.9124181  (2022-02-20 16:11:00)
                             'size'  8146734