======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '436'
                                          'artist'  'Saluki'
                                     'text_people'  ''
                                         'release'  'Progsoup 27'
                                           'title'  'Take The Road Across The Bridg'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hip-hop', 'trap', 'rap', 'russian', 'russian rap']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '125.548'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 27'
'TBPM' (BPM (beats per minute))                     '125.548'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Take The Road Across The Bridg'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Saluki'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['hip-hop', 'trap', 'rap', 'russian', 'russian rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.361347'

========================== row from database ==========================
                                              'id'  1415080
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 27/1504 Saluki  - Take The Road Across The Bridge.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  436
                                           'genre'  rock-cppex-progressive
                                        'filesize'  17447595
                                           'mtime'  1620737006
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1504 Bridge rock cppex progressive
                                      'tag_artist'  Saluki
                                     'tag_release'  Progsoup 27
                                       'tag_title'  Take The Road Across The Bridg
                                             'bpm'  125.548
                                    'search_title'  'across':4 'bridg':5 'road':3 'take':1 'the':2
                                   'search_artist'  'saluki':1
                                  'search_release'  '27':2 'progsoup':1
                                     'search_rest'  '1504':3 'bridge':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'rock':5
                                    'search_combo'  '1504':11 '27':8C 'across':4A 'bridg':5A 'bridge':12 'classicprogpsy':9 'cppex':14 'progressive':15 'progsoup':7C,10 'road':3A 'rock':13 'saluki':6B 'take':1A 'the':2A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'trap', 'rap', 'russian', 'russian rap']
                                        'tag_date'  1976
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620737006.0234878  (2021-05-11 14:43:26)
                             'size'  17447595