======================== unified (from filesystem) ========================
                                         'bitrate'  '141.936'
                                        'duration'  '36'
                                          'artist'  'Matmos and Lesser'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'SSLive 041603 MatmosLesser10'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '145.059'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '145.059'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-shirleyspinoza'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'SoundJam v2.5.3'
'TIT2' (Title/songname/content description)         'SSLive 041603 MatmosLesser10'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Matmos and Lesser'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.861398'

========================== row from database ==========================
                                              'id'  986786
                                            'path'  /data/Music/Bulk/sns/SNSarchive/SSLive_041603_MatmosLsr10.mp3
                                         'working'  None
                                         'bitrate'  141
                                    'duration_sec'  36
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  652483
                                           'mtime'  1620357021
                                   'redo_metaread'  0
                                        'rest_str'   sns SNSarchive SSLive_041603_MatmosLsr10 set pl shirleyspinoza
                                      'tag_artist'  Matmos and Lesser
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  SSLive 041603 MatmosLesser10
                                             'bpm'  145.059
                                    'search_title'  '041603':2 'lesser10':5 'matmos':4 'matmoslesser10':3 'sslive':1
                                   'search_artist'  'and':2 'lesser':3 'matmos':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '041603':4,10 'lsr10':12 'matmos':11 'matmoslsr10':5 'pl':7 'set':6 'shirleyspinoza':8 'sns':1 'snsarchive':2 'sslive':3,9
                                    'search_combo'  '041603':2A,14,20 'and':7B 'lesser':8B 'lesser10':5A 'lsr10':22 'matmos':4A,6B,21 'matmoslesser10':3A 'matmoslsr10':15 'pl':17 'set':16 'shirley':9C 'shirleyspinoza':18 'sns':11 'snsarchive':12 'spinoza':10C 'sslive':1A,13,19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620357020.671839  (2021-05-07 05:10:20)
                             'size'  652483