======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '355'
                                          'artist'  'Os Impacto'
                                     'text_people'  ''
                                         'release'  '98psych'
                                           'title'  "That's What I Want"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'garage rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '141.512'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '98psych'
'TBPM' (BPM (beats per minute))                     '141.512'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TIT2' (Title/songname/content description)         "That's What I Want"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Os Impacto'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['all', 'garage rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.381254'

========================== row from database ==========================
                                              'id'  1496451
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Moðollar - 98psych/Os Impacto -- That_s What I Want.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  355
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  14206487
                                           'mtime'  1620736645
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Moðollar That_s rock cppex psychedelic
                                      'tag_artist'  Os Impacto
                                     'tag_release'  98psych
                                       'tag_title'  That's What I Want
                                             'bpm'  141.512
                                    'search_title'  'i':5 's':2 'that':1 'thats':3 'want':6 'what':4
                                   'search_artist'  'impacto':2 'os':1
                                  'search_release'  '98psych':1
                                     'search_rest'  'classicprogpsy':1 'cppex':7 'modollar':3 'moðollar':2 'psychedelic':8 'rock':6 's':5 'that':4
                                    'search_combo'  '98psych':9C 'classicprogpsy':10 'cppex':16 'i':5A 'impacto':8B 'modollar':12 'moðollar':11 'os':7B 'psychedelic':17 'rock':15 's':2A,14 'that':1A,13 'thats':3A 'want':6A 'what':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all', 'garage rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736645.3036964  (2021-05-11 14:37:25)
                             'size'  14206487