======================== unified (from filesystem) ========================
                                         'bitrate'  '134.093'
                                        'duration'  '246'
                                          'artist'  'Nicole Willis & The Soul Investigators'
                                     'text_people'  ''
                                         'release'  'Dimitri - Soul'
                                           'title'  "Let's Communicate [Audio]"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['soul', 'funk', 'finnish', 'female vocalists', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '120.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Soul'
'TBPM' (BPM (beats per minute))                     '120.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         "Let's Communicate [Audio]"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nicole Willis & The Soul Investigators'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'finnish', 'female vocalists', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.589993'
'TXXX:youtube'                                      '5JdQpeOvHZk'

========================== row from database ==========================
                                              'id'  1502627
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Soul/Nicole Willis & The Soul Investigators - Let_s Communicate [Audio]-5JdQpeOvHZk.mp3
                                         'working'  None
                                         'bitrate'  134
                                    'duration_sec'  246
                                           'genre'  funk or soul
                                        'filesize'  4130781
                                           'mtime'  1628357633
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Let_s 5JdQpeOvHZk funk soul
                                      'tag_artist'  Nicole Willis & The Soul Investigators
                                     'tag_release'  Dimitri - Soul
                                       'tag_title'  Let's Communicate [Audio]
                                             'bpm'  120.5
                                    'search_title'  'audio':5,6 'communicate':4 'let':1 'lets':3 's':2
                                   'search_artist'  'investigators':5 'nicole':1 'soul':4 'the':3 'willis':2
                                  'search_release'  'dimitri':1 'soul':2
                                     'search_rest'  '5jd':6 '5jdqpeovhzk':3 'funk':4 'hzk':9 'let':1 'ov':8 'qpe':7 's':2 'soul':5
                                    'search_combo'  '5jd':19 '5jdqpeovhzk':16 'audio':5A,6A 'communicate':4A 'dimitri':12C 'funk':17 'hzk':22 'investigators':11B 'let':1A,14 'lets':3A 'nicole':7B 'ov':21 'qpe':20 's':2A,15 'soul':10B,13C,18 'the':9B 'willis':8B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['soul', 'funk', 'finnish', 'female vocalists', 'all']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357633.0724695  (2021-08-07 19:33:53)
                             'size'  4130781