======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'Resistance D'
                                     'text_people'  ''
                                         'release'  'Space Night Presents Perry Rhodan 40th Anniversary Cd1'
                                           'title'  'Low Signal'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'techno', 'electronic', 'classic trance', 'rave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '113.8'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '8F10E60C'
'TALB' (Album/Movie/Show title)                     'Space Night Presents Perry Rhodan 40th Anniversary Cd1'
'TBPM' (BPM (beats per minute))                     '113.8'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Low Signal'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Resistance D'
'TRCK' (Track number/Position in set)               '11/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.03, LAME dll 3.92, 192 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'techno', 'electronic', 'classic trance', 'rave']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.412646'

========================== row from database ==========================
                                              'id'  1240904
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Sushi Club - Aural Float - Space Night Presents Perry Rhodan 40th Anniversary - Cd1 the flight [192k]/11 - Resistance D - Low Signal.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4962843
                                           'mtime'  1620592553
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism The Sushi Club Aural Float the flight [192k] 11 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Resistance D
                                     'tag_release'  Space Night Presents Perry Rhodan 40th Anniversary Cd1
                                       'tag_title'  Low Signal
                                             'bpm'  113.8
                                    'search_title'  'low':1 'signal':2
                                   'search_artist'  'd':2 'resistance':1
                                  'search_release'  '40th':6 'anniversary':7 'cd1':8 'night':2 'perry':4 'presents':3 'rhodan':5 'space':1
                                     'search_rest'  '192k':11,12 'aural':8 'club':7 'flight':10 'float':9 'hip':13 'hiphop':1 'hop':14 'or':15 'rap':2 'rnb':3 'sushi':6 'the':5 'turntablism':4
                                    'search_combo'  '192k':23,24 '40th':10C 'anniversary':11C 'aural':20 'cd1':12C 'club':19 'd':4B 'flight':22 'float':21 'hip':25 'hiphop':13 'hop':26 'low':1A 'night':6C 'or':27 'perry':8C 'presents':7C 'rap':14 'resistance':3B 'rhodan':9C 'rnb':15 'signal':2A 'space':5C 'sushi':18 'the':17 'turntablism':16
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'techno', 'electronic', 'classic trance', 'rave']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620592553.0578282  (2021-05-09 22:35:53)
                             'size'  4962843