======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '140'
                                          'artist'  'Chico Arnez'
                                     'text_people'  ''
                                         'release'  'Non Stop Dance Party (1974)'
                                           'title'  "Land Of A Thousand Dances (v.F uh! pz.v. UK '74)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental favs', 'instrumental favorites', 'guilty pleasures']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '91.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:Media Jukebox: Date:\x00\x00\x00'             '27030'
'COMM:Media Jukebox: Tool Name:\x00\x00\x00'        'Media Jukebox'
'COMM:Media Jukebox: Tool Version:\x00\x00\x00'     '12.0.49'
'TALB' (Album/Movie/Show title)                     'Non Stop Dance Party (1974)'
'TBPM' (BPM (beats per minute))                     '91.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'Easy Audio Cutter - Koyote Soft'
'TIT2' (Title/songname/content description)         "Land Of A Thousand Dances (v.F uh! pz.v. UK '74)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chico Arnez'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental favs', 'instrumental favorites', 'guilty pleasures']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.55 dB'
'TXXX:replaygain_track_peak'                        '0.779028'

========================== row from database ==========================
                                              'id'  1532982
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Chico Arnez - Land Of A Thousand Dances (v.F uh! pz.v. UK _74).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  140
                                           'genre'  funk or soul
                                        'filesize'  3386819
                                           'mtime'  1628357807
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _74) funk or soul
                                      'tag_artist'  Chico Arnez
                                     'tag_release'  Non Stop Dance Party (1974)
                                       'tag_title'  Land Of A Thousand Dances (v.F uh! pz.v. UK '74)
                                             'bpm'  91.8
                                    'search_title'  '74':14,15 'a':3 'dances':5 'f':7 'land':1 'of':2 'pz':10 'pzv':12 'thousand':4 'uh':9 'uk':13 'v':6,11 'vf':8
                                   'search_artist'  'arnez':2 'chico':1
                                  'search_release'  '1974':5,6 'dance':3 'non':1 'party':4 'stop':2
                                     'search_rest'  '70':6 '74':8,9 'easy':4 'funk':2 'instr':5 'or':10 's':7 'soul':3 'swing':1
                                    'search_combo'  '1974':22C,23C '70':29 '74':14A,15A,31,32 'a':3A 'arnez':17B 'chico':16B 'dance':20C 'dances':5A 'easy':27 'f':7A 'funk':25 'instr':28 'land':1A 'non':18C 'of':2A 'or':33 'party':21C 'pz':10A 'pzv':12A 's':30 'soul':26 'stop':19C 'swing':24 'thousand':4A 'uh':9A 'uk':13A 'v':6A,11A 'vf':8A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental favs', 'instrumental favorites', 'guilty pleasures']
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357806.5194712  (2021-08-07 19:36:46)
                             'size'  3386819