======================== unified (from filesystem) ========================
                                         'bitrate'  '277.342'
                                        'duration'  '456'
                                          'artist'  'Killbody Tuning'
                                     'text_people'  ''
                                         'release'  'Pictorial'
                                           'title'  'Our DNA'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swiss', 'instrumental', 'post rock', 'post metal', 'rock band network']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '115.7'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Pictorial'
'TBPM' (BPM (beats per minute))                     '115.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         'Our DNA'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Killbody Tuning'
'TPE2' (Band/orchestra/accompaniment)               'Killbody Tuning'
'TRCK' (Track number/Position in set)               '7'
'TSRC' (ISRC (international standard recording code))  'CHA011800256'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['swiss', 'instrumental', 'post rock', 'post metal', 'rock band network']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.422527'

========================== row from database ==========================
                                              'id'  1303906
                                            'path'  /data/Music/Bulk/00poprockelectronic/Killbody Tuning - Pictorial/07 Our DNA.mp3
                                         'working'  None
                                         'bitrate'  277
                                    'duration_sec'  456
                                           'genre'  rock-post
                                        'filesize'  15961963
                                           'mtime'  1678905642
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 rock post
                                      'tag_artist'  Killbody Tuning
                                     'tag_release'  Pictorial
                                       'tag_title'  Our DNA
                                             'bpm'  115.7
                                    'search_title'  'dna':2 'our':1
                                   'search_artist'  'killbody':1 'tuning':2
                                  'search_release'  'pictorial':1
                                     'search_rest'  '00poprockelectronic':1 'post':3 'rock':2
                                    'search_combo'  '00poprockelectronic':6 'dna':2A 'killbody':3B 'our':1A 'pictorial':5C 'post':8 'rock':7 'tuning':4B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['swiss', 'instrumental', 'post rock', 'post metal', 'rock band network']
                                        'tag_date'  2018
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678905641.7739017  (2023-03-15 19:40:41)
                             'size'  15961963