======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Klub des Loosers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "l'hymne"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['french', 'french hip hop', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;loc-eur-france'
                                             'bpm'  '144.748'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'loc-eur-france']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "l'hymne"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klub des Loosers'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Engineer'                                     'Nils  '
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['french', 'french hip hop', 'hip hop', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.422944'

========================== row from database ==========================
                                              'id'  1520695
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/klub des loosers_chansonpoche(12.06.04)_mp3(128)_by cre$u$/01- l_hymne.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  hip hop or rnb or rap or turntablism;loc-eur-france
                                        'filesize'  2968116
                                           'mtime'  1620532390
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism klub loosers_chansonpoche(12.06.04)_mp3(128)_by cre$u$ 01 l_hymne hip hop or rnb or rap or turntablism;loc eur france
                                      'tag_artist'  Klub des Loosers
                                     'tag_release'  None
                                       'tag_title'  l'hymne
                                             'bpm'  144.748
                                    'search_title'  'hymne':2 'l':1 'lhymne':3
                                   'search_artist'  'des':2 'klub':1 'loosers':3
                                  'search_release'  
                                     'search_rest'  '04':10 '06':9 '12':8 '128':12 'by':13,17 'chansonpoche':7 'chansonpoche120604':15 'cre':18 'eur':29 'france':30 'hip':22 'hiphop':1 'hop':23 'hymne':21 'klub':5 'l':20 'loc':26,28 'loosers':6,14 'mp3':11 'mp3128':16 'or':24 'rap':2 'rnb':3 'turntablism':4,25,27 'u':19
                                    'search_combo'  '04':16 '06':15 '12':14 '128':18 'by':19,23 'chansonpoche':13 'chansonpoche120604':21 'cre':24 'des':5B 'eur':35 'france':36 'hip':28 'hiphop':7 'hop':29 'hymne':2A,27 'klub':4B,11 'l':1A,26 'lhymne':3A 'loc':32,34 'loosers':6B,12,20 'mp3':17 'mp3128':22 'or':30 'rap':8 'rnb':9 'turntablism':10,31,33 'u':25
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['french', 'french hip hop', 'hip hop', 'rap']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532390.4124646  (2021-05-09 05:53:10)
                             'size'  2968116