======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '135'
                                          'artist'  'octopus'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'land-04-komputer-going-into-sl'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['instrumental', 'math metal', 'progressive rock', 'progressive metal', "
 "'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '113.326'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'mtk118'
'TBPM' (BPM (beats per minute))                     '113.326'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'land-04-komputer-going-into-sl'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'octopus'
'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:lastfmtags'                                   ['instrumental',
 'math metal',
 'progressive rock',
 'progressive metal',
 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.705905'

========================== row from database ==========================
                                              'id'  126673
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/monotonik/monotonik-archives-vol-2/[mtk118]-octopus-land-04-komputer-going-into-sleep-mode.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  135
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  3259963
                                           'mtime'  1620543812
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm monotonik monotonik archives vol 2 [mtk118] sleep mode electronic generic or radio beats
                                      'tag_artist'  octopus
                                     'tag_release'  None
                                       'tag_title'  land-04-komputer-going-into-sl
                                             'bpm'  113.326
                                    'search_title'  '04':2 'going':4 'into':5 'komputer':3 'land':1 'land04komputergoingintosl':7 'sl':6
                                   'search_artist'  'octopus':1
                                  'search_release'  
                                     'search_rest'  '2':4 'archives':2 'beats':13 'electronic':9 'generic':10 'mode':8 'monotonik':1 'mtk118':5,6 'or':11 'radio':12 'sleep':7 'vol':3
                                    'search_combo'  '04':2A '2':12 'archives':10 'beats':21 'electronic':17 'generic':18 'going':4A 'into':5A 'komputer':3A 'land':1A 'land04komputergoingintosl':7A 'mode':16 'monotonik':9 'mtk118':13,14 'octopus':8B 'or':19 'radio':20 'sl':6A 'sleep':15 'vol':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'math metal', 'progressive rock', 'progressive metal', 'psychedelic']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620543812.1726763  (2021-05-09 09:03:32)
                             'size'  3259963