======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '257'
                                          'artist'  'The Technocrats'
                                     'text_people'  ''
                                         'release'  'ELECTRI-CITY: Elektronische Musik aus Düsseldorf'
                                           'title'  'Ruckzuck'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electro']"
                                     'discogstags'  "['techno', 'electronic', 'electro', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2.16'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-psych'
                                             'bpm'  '139.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'ELECTRI-CITY: Elektronische Musik aus Düsseldorf'
'TBPM' (BPM (beats per minute))                     '139.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-psych'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Ruckzuck'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Technocrats'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2.16'
'TSOA' (Album sort order)                           'Electri_City 2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic', 'electro', 'minimal']
'TXXX:lastfmtags'                                   'electro'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.782327'

========================== row from database ==========================
                                              'id'  984906
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Va - Electri_City 2 (Elektronische Musik aus Düsseldorf) [2016]/16 the technocrats - ruckzuck.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  257
                                           'genre'  electronic-experimental-psych
                                        'filesize'  10286058
                                           'mtime'  1637329340
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Va Electri_City 2 (Elektronische Düsseldorf) [2016] 16 the technocrats ruckzuck electronic experimental psych
                                      'tag_artist'  The Technocrats
                                     'tag_release'  ELECTRI-CITY: Elektronische Musik aus Düsseldorf
                                       'tag_title'  Ruckzuck
                                             'bpm'  139.9
                                    'search_title'  'ruckzuck':1
                                   'search_artist'  'technocrats':2 'the':1
                                  'search_release'  'aus':6 'city':2 'dusseldorf':7,8 'electri':1 'electricity':3 'elektronische':4 'musik':5
                                     'search_rest'  '2':4 '2016':11,12 'city':3 'dusseldorf':7,8,9,10 'electri':2 'electronic':16 'elektronische':5,6 'experimental':17 'psych':18 'ruckzuck':15 'technocrats':14 'the':13 'va':1
                                    'search_combo'  '2':15 '2016':22,23 'aus':9C 'city':5C,14 'dusseldorf':10C,11C,18,19,20,21 'electri':4C,13 'electricity':6C 'electronic':27 'elektronische':7C,16,17 'experimental':28 'musik':8C 'psych':29 'ruckzuck':1A,26 'technocrats':3B,25 'the':2B,24 'va':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electro']
                                        'tag_date'  2016
                                     'discogstags'  ['techno', 'electronic', 'electro', 'minimal']

============================== file details ==============================
                                           'mtime'  1637329340.0270243  (2021-11-19 14:42:20)
                             'size'  10286058