======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '73'
                                          'artist'  'Clark'
                                     'text_people'  ''
                                         'release'  'Totems Flare'
                                           'title'  'Primary Balloon Landing'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'warp', 'experimental']"
                                     'discogstags'  "['techno', 'electronic', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '144.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:0801061018535.jpg'                            type PictureType.COVER_FRONT (Cover (front)) b'0801061018535.jpg'
                                     
'COMM:iTunNORM:eng'                                 (' 000016F0 0000281E 00004162 00007514 00004AA6 00002BA0 00007DBC 00007F18 '
 '00000588 00000571')
'TALB' (Album/Movie/Show title)                     'Totems Flare'
'TBPM' (BPM (beats per minute))                     '144.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Primary Balloon Landing'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clark'
'TPE2' (Band/orchestra/accompaniment)               'Clark'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['techno', 'electronic', 'minimal']
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'warp', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.34 dB'
'TXXX:replaygain_track_peak'                        '0.351050'

========================== row from database ==========================
                                              'id'  1366936
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Clark - Totems Flare/08 Primary Balloon Landing.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  73
                                           'genre'  electronic-experimental
                                        'filesize'  3240330
                                           'mtime'  1622801408
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 08 electronic experimental
                                      'tag_artist'  Clark
                                     'tag_release'  Totems Flare
                                       'tag_title'  Primary Balloon Landing
                                             'bpm'  144.2
                                    'search_title'  'balloon':2 'landing':3 'primary':1
                                   'search_artist'  'clark':1
                                  'search_release'  'flare':2 'totems':1
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'balloon':2A 'clark':4B 'electronic':7 'experimental':8 'flare':6C 'landing':3A 'primary':1A 'totems':5C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'warp', 'experimental']
                                        'tag_date'  2009
                                     'discogstags'  ['techno', 'electronic', 'minimal']

============================== file details ==============================
                                           'mtime'  1622801408.089038  (2021-06-04 12:10:08)
                             'size'  3240330