======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '188'
                                          'artist'  'Unterwegs in der Geschichte Deutschlands'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Folge 5'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', "
 "'q-vocals-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '132.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Folge 5'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unterwegs in der Geschichte Deutschlands'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:other'                                        ' Die Zeit des Absolutismus in Deutschland (1648–1806)-57167644'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.81 dB'
'TXXX:replaygain_track_peak'                        '0.691508'

========================== row from database ==========================
                                              'id'  857989
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/Christonia5/Folge 5 - Die Zeit des Absolutismus in Deutschland (1648–1806)-57167644.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  188
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  2262125
                                           'mtime'  1621084954
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud Christonia5 Die Zeit des Absolutismus (1648–1806) 57167644 electronic th techno minimal or deephouse
                                      'tag_artist'  Unterwegs in der Geschichte Deutschlands
                                     'tag_release'  None
                                       'tag_title'  Folge 5
                                             'bpm'  132.4
                                    'search_title'  '5':2 'folge':1
                                   'search_artist'  'der':3 'deutschlands':5 'geschichte':4 'in':2 'unterwegs':1
                                  'search_release'  
                                     'search_rest'  '1648':7,9 '1806':8,10 '57167644':11 'absolutismus':6 'christonia5':2 'deephouse':17 'des':5 'die':3 'electronic':12 'minimal':15 'or':16 'soundcloud':1 'techno':14 'th':13 'zeit':4
                                    'search_combo'  '1648':14,16 '1806':15,17 '5':2A '57167644':18 'absolutismus':13 'christonia5':9 'deephouse':24 'der':5B 'des':12 'deutschlands':7B 'die':10 'electronic':19 'folge':1A 'geschichte':6B 'in':4B 'minimal':22 'or':23 'soundcloud':8 'techno':21 'th':20 'unterwegs':3B 'zeit':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-4', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621084953.6389678  (2021-05-15 15:22:33)
                             'size'  2262125