======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '406'
                                          'artist'  'Christof Glowalla'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre vol. 7'
                                           'title'  ' Smog In Der Stadt'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['minimal synth', 'ndw', 'new wave', 'minimal electronic', 'minimal wave']"
                                     'discogstags'  "['new wave', 'electro', 'synthwave', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre vol. 7'
'TBPM' (BPM (beats per minute))                     '126.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         ' Smog In Der Stadt'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Christof Glowalla'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'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'                                  ['new wave', 'electro', 'synthwave', 'electronic']
'TXXX:lastfmtags'                                   ['minimal synth', 'ndw', 'new wave', 'minimal electronic', 'minimal wave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.865563'

========================== row from database ==========================
                                              'id'  1525825
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 7 {+bonus}/2) Tracks that didn_t make it [vBr]/2 Christof Glowalla - Smog In Der Stadt.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  406
                                           'genre'  electronic-unsorted
                                        'filesize'  6506857
                                           'mtime'  1647348723
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. {+bonus} 2) Tracks that didn_t make it [vBr] 2 electronic unsorted
                                      'tag_artist'  Christof Glowalla
                                     'tag_release'  A Tribute to Some Bizarre vol. 7
                                       'tag_title'   Smog In Der Stadt
                                             'bpm'  126.4
                                    'search_title'  'der':3 'in':2 'smog':1 'stadt':4
                                   'search_artist'  'christof':1 'glowalla':2
                                  'search_release'  '7':8 'a':1 'bizarre':5 'some':4 'to':3 'tribute':2 'vol':6,7
                                     'search_rest'  '2':5,6 'bonus':4 'br':19,20 'didn':9 'electronic':15 'it':12 'make':11 't':10 'that':8 'to':1 'tracks':7 'unsorted':16 'v':17,18 'vbr':13,14 'vol':2,3
                                    'search_combo'  '2':19,20 '7':14C 'a':7C 'bizarre':11C 'bonus':18 'br':33,34 'christof':5B 'der':3A 'didn':23 'electronic':29 'glowalla':6B 'in':2A 'it':26 'make':25 'smog':1A 'some':10C 'stadt':4A 't':24 'that':22 'to':9C,15 'tracks':21 'tribute':8C 'unsorted':30 'v':31,32 'vbr':27,28 'vol':12C,13C,16,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['minimal synth', 'ndw', 'new wave', 'minimal electronic', 'minimal wave']
                                        'tag_date'  1980
                                     'discogstags'  ['new wave', 'electro', 'synthwave', 'electronic']

============================== file details ==============================
                                           'mtime'  1647348722.7903566  (2022-03-15 13:52:02)
                             'size'  6506857