======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '370'
                                          'artist'  'Apparat Organ Quartet'
                                     'text_people'  ''
                                         'release'  'Apparat Organ Quartet'
                                           'title'  'The Anguish Of Space-Time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'iceland', 'icelandic', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '109.705'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Apparat Organ Quartet'
'TBPM' (BPM (beats per minute))                     '109.705'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The Anguish Of Space-Time'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Apparat Organ Quartet'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['indie', 'iceland', 'icelandic', 'electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.421726'

========================== row from database ==========================
                                              'id'  1330057
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Apparat Organ Quartet/Apparat Organ Quartet/apparat organ quartet - 03 - the anguish of space-time.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  370
                                           'genre'  electronic
                                        'filesize'  8896394
                                           'mtime'  1636913055
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer apparat organ quartet 03 the anguish of space time electronic
                                      'tag_artist'  Apparat Organ Quartet
                                     'tag_release'  Apparat Organ Quartet
                                       'tag_title'  The Anguish Of Space-Time
                                             'bpm'  109.705
                                    'search_title'  'anguish':2 'of':3 'space':4 'spacetime':6 'the':1 'time':5
                                   'search_artist'  'apparat':1 'organ':2 'quartet':3
                                  'search_release'  'apparat':1 'organ':2 'quartet':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'anguish':7 'apparat':3 'electronic':11 'of':8 'organ':4 'quartet':5 'space':9 'the':6 'time':10
                                    'search_combo'  '00calmer':14 '00poprockelectronic':13 'anguish':2A,19 'apparat':7B,10C,15 'electronic':23 'of':3A,20 'organ':8B,11C,16 'quartet':9B,12C,17 'space':4A,21 'spacetime':6A 'the':1A,18 'time':5A,22
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'iceland', 'icelandic', 'electronic', 'experimental']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913054.6400216  (2021-11-14 19:04:14)
                             'size'  8896394