======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '258'
                                          'artist'  'Journey'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Faithfully (live)'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-vocals-4', 'q-mixbeat-1', 'Q-PIANO-2']")
                                      'lastfmtags'  "['80s', 'progressive rock', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '137.385'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.385'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Faithfully (live)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Journey'
'TPE2' (Band/orchestra/accompaniment)               'Journey'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'progressive rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.435299'

========================== row from database ==========================
                                              'id'  1293730
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Journey - Faithfully (Live) [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  258
                                           'genre'  set-pl-billboard
                                        'filesize'  6203392
                                           'mtime'  1652397964
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] (Live) [] set pl billboard
                                      'tag_artist'  Journey
                                     'tag_release'  None
                                       'tag_title'  Faithfully (live)
                                             'bpm'  137.385
                                    'search_title'  'faithfully':1 'live':2,3
                                   'search_artist'  'journey':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'billboard':11 'files':5,6 'live':7,8 'loose':3,4 'pl':10 'set':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 'billboard':15 'faithfully':1A 'files':9,10 'journey':4B 'live':2A,3A,11,12 'loose':7,8 'pl':14 'set':13 'unsorted':6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-4', 'q-mixbeat-1', 'Q-PIANO-2']
                                      'lastfmtags'  ['80s', 'progressive rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397964.454035  (2022-05-13 01:26:04)
                             'size'  6203392