======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Original Dixieland Ramblers & Fatty George Band'
                                     'text_people'  ''
                                         'release'  'New Orleans Showtime Dixieland 2'
                                           'title'  "When you're smiling"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '113.136'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'New Orleans Showtime Dixieland 2'
'TBPM' (BPM (beats per minute))                     '113.136'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         "When you're smiling"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Original Dixieland Ramblers & Fatty George Band'
'TRCK' (Track number/Position in set)               '18'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '036,208'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'jazz'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.651084'

========================== row from database ==========================
                                              'id'  1516845
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Original Dixieland Ramblers & Fatty George Band/18 - When you_re smiling.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  2874815
                                           'mtime'  1620533205
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 18 you_re prerock jb jazz dixiestyle
                                      'tag_artist'  Original Dixieland Ramblers & Fatty George Band
                                     'tag_release'  New Orleans Showtime Dixieland 2
                                       'tag_title'  When you're smiling
                                             'bpm'  113.136
                                    'search_title'  're':3 'smiling':5 'when':1 'you':2 'youre':4
                                   'search_artist'  'band':6 'dixieland':2 'fatty':4 'george':5 'original':1 'ramblers':3
                                  'search_release'  '2':5 'dixieland':4 'new':1 'orleans':2 'showtime':3
                                     'search_rest'  '18':5 'country':4 'dixiestyle':10 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8 're':7 'you':6
                                    'search_combo'  '18':21 '2':16C 'band':11B 'country':20 'dixieland':7B,15C 'dixiestyle':26 'exotica':18 'fatty':9B 'george':10B 'jazz':17 'jb':25 'new':12C 'oldies':19 'original':6B 'orleans':13C 'prerock':24 'ramblers':8B 're':3A,23 'showtime':14C 'smiling':5A 'when':1A 'you':2A,22 'youre':4A
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533205.4067817  (2021-05-09 06:06:45)
                             'size'  2874815