======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '455'
                                          'artist'  'Jones, Percy & Tunnels'
                                     'text_people'  ''
                                         'release'  'progsoup 11'
                                           'title'  'Track 01'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '49'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '100.505'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 11'
'TBPM' (BPM (beats per minute))                     '100.505'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Track 01'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '455653'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Jones, Percy & Tunnels'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '49'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.999094'

========================== row from database ==========================
                                              'id'  1415339
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/Progsoup 11/604 percy jones-Progressivity.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  455
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10948157
                                           'mtime'  1620736278
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP Progsoup 604 percy jones Progressivity rock cppex progressive
                                      'tag_artist'  Jones, Percy & Tunnels
                                     'tag_release'  progsoup 11
                                       'tag_title'  Track 01
                                             'bpm'  100.505
                                    'search_title'  'track':1
                                   'search_artist'  'jones':1,2 'percy':3 'tunnels':4
                                  'search_release'  'progsoup':1
                                     'search_rest'  '604':3 'classicprogpsy':1 'cppex':8 'jones':5 'percy':4 'progressive':9 'progressivity':6 'progsoup':2 'rock':7
                                    'search_combo'  '604':9 'classicprogpsy':7 'cppex':14 'jones':2B,3B,11 'percy':4B,10 'progressive':15 'progressivity':12 'progsoup':6C,8 'rock':13 'track':1A 'tunnels':5B
                                    'tag_tracknum'  49
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736278.463882  (2021-05-11 14:31:18)
                             'size'  10948157