======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '181'
                                          'artist'  'Chase'
                                     'text_people'  ''
                                         'release'  'Easy Instr 70s'
                                           'title'  "Get It On (pz.v. og. wa-wa gt. funk BB#24 '73)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'jazz rock', 'jazz-rock', 'fusion', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '137.3'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Easy Instr 70s'
'TBPM' (BPM (beats per minute))                     '137.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Get It On (pz.v. og. wa-wa gt. funk BB#24 '73)"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chase'
'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'                                   ['rock', 'jazz rock', 'jazz-rock', 'fusion', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.490495'

========================== row from database ==========================
                                              'id'  1525472
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Chase - Get It On (pz.v. og. wa-wa gt. funk BB#24 _73).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  181
                                           'genre'  funk or soul
                                        'filesize'  4358947
                                           'mtime'  1628357805
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing soul EASY 70_s _73) or soul
                                      'tag_artist'  Chase
                                     'tag_release'  Easy Instr 70s
                                       'tag_title'  Get It On (pz.v. og. wa-wa gt. funk BB#24 '73)
                                             'bpm'  137.3
                                    'search_title'  '24':16,18 '73':19,20 'bb':15,17 'funk':14 'get':1 'gt':12,13 'it':2 'og':7,8 'on':3 'pz':4 'pzv':6 'v':5 'wa':9,10 'wawa':11
                                   'search_artist'  'chase':1
                                  'search_release'  '70s':3 'easy':1 'instr':2
                                     'search_rest'  '70':4 '73':6,7 'easy':3 'or':8 's':5 'soul':2 'swing':1
                                    'search_combo'  '24':16A,18A '70':28 '70s':24C '73':19A,20A,30,31 'bb':15A,17A 'chase':21B 'easy':22C,27 'funk':14A 'get':1A 'gt':12A,13A 'instr':23C 'it':2A 'og':7A,8A 'on':3A 'or':32 'pz':4A 'pzv':6A 's':29 'soul':26 'swing':25 'v':5A 'wa':9A,10A 'wawa':11A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'jazz rock', 'jazz-rock', 'fusion', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357805.328508  (2021-08-07 19:36:45)
                             'size'  4358947