======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '93'
                                          'artist'  'Betty Lavette'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Feel good all over'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'blues', 'female vocalists', '7soul', 'northern soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '141.314'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '141.314'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'Feel good all over'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Betty Lavette'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'blues', 'female vocalists', '7soul', 'northern soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+6.80 dB'
'TXXX:replaygain_track_peak'                        '0.235542'

========================== row from database ==========================
                                              'id'  985644
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[PM748B] Betty Lavette - Feel good all over.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  93
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  2246322
                                           'mtime'  1620524127
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [PM748B] loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Betty Lavette
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Feel good all over
                                             'bpm'  141.314
                                    'search_title'  'all':3 'feel':1 'good':2 'over':4
                                   'search_artist'  'betty':1 'lavette':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  'and':12 'dancehall':10 'dub':8 'loc':5 'or':7 'pm748b':3,4 'reggae':1 'roots':11 'singles':2 'ska':9 'style':6
                                    'search_combo'  'all':3A 'and':20 'betty':5B 'dancehall':18 'dub':16 'feel':1A 'good':2A 'lavette':6B 'loc':13 'or':15 'over':4A 'pm748b':11,12 'reggae':7C,9 'roots':19 'singles':8C,10 'ska':17 'style':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'blues', 'female vocalists', '7soul', 'northern soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524127.074372  (2021-05-09 03:35:27)
                             'size'  2246322