======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'Janis Joplin'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Move Over'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'female vocalists', '60s', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '12'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-folk-rock'
                                             'bpm'  '133.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '133.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-rock'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Move Over'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Janis Joplin'
'TRCK' (Track number/Position in set)               '09/12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'female vocalists', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.511729'

========================== row from database ==========================
                                              'id'  1259133
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Janis Joplin/Janis Joplin - Greatest Hits - Folk Rock 320Kbps/09 - Janis Joplin - Move Over.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  ifs-folk-rock
                                        'filesize'  8826384
                                           'mtime'  1636914029
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Folk Rock 320Kbps 09 ifs folk rock
                                      'tag_artist'  Janis Joplin
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Move Over
                                             'bpm'  133.1
                                    'search_title'  'move':1 'over':2
                                   'search_artist'  'janis':1 'joplin':2
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00singer':1 '320kbps':6 'eos':3 'folk':4 'ifs':7 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':7 '320kbps':12 'eos':9 'folk':10 'greatest':5C 'hits':6C 'ifs':13 'janis':3B 'joplin':4B 'move':1A 'over':2A 'rock':11 'songwriter':8
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['blues', 'rock', 'female vocalists', '60s', 'classic rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636914028.8538547  (2021-11-14 19:20:28)
                             'size'  8826384