======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '279'
                                          'artist'  'Afx'
                                     'text_people'  ''
                                         'release'  'analord 11'
                                           'title'  'vbs.redlof.b'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '140.530'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'analord 11'
'TBPM' (BPM (beats per minute))                     '140.530'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'vbs.redlof.b'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Afx'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.580334'

========================== row from database ==========================
                                              'id'  1315843
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/10 - Afx - vbs.redlof.b.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  279
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  11179904
                                           'mtime'  1620572616
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 10 electronic th techno acid
                                      'tag_artist'  Afx
                                     'tag_release'  analord 11
                                       'tag_title'  vbs.redlof.b
                                             'bpm'  140.53
                                    'search_title'  'b':3 'redlof':2 'vbs':1 'vbsredlofb':4
                                   'search_artist'  'afx':1
                                  'search_release'  'analord':1
                                     'search_rest'  '00poprockelectronic':1 'acid':10 'electronic':7 'files':5,6 'loose':3,4 'techno':9 'th':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'acid':16 'afx':5B 'analord':6C 'b':3A 'electronic':13 'files':11,12 'loose':9,10 'redlof':2A 'techno':15 'th':14 'unsorted':8 'vbs':1A 'vbsredlofb':4A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572615.9426446  (2021-05-09 17:03:35)
                             'size'  11179904