======================== unified (from filesystem) ========================
                                         'bitrate'  '243.946'
                                        'duration'  '219'
                                          'artist'  'Junior Boys'
                                     'text_people'  ''
                                         'release'  'So This Is Goodbye'
                                           'title'  'Caught In A Wave'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'indie', 'electropop', 'electronic', 'canadian']"
                                     'discogstags'  "['electronic', 'rock', 'synth-pop', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop;set-pl-sced'
                                             'bpm'  '97.039'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000254 00000253 00001895'
'COMM:iTunNORM:eng'                                 (' 00000254 00000253 00001895 00001847 000137BA 000137BA 00007C80 00007CD8 '
 '000137BA 000137BA')
'TALB' (Album/Movie/Show title)                     'So This Is Goodbye'
'TBPM' (BPM (beats per minute))                     '97.039'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electropop or synthpop', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'FairStars Audio Converter'
'TIT2' (Title/songname/content description)         'Caught In A Wave'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Junior Boys'
'TPE2' (Band/orchestra/accompaniment)               'Junior Boys'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'synth-pop', 'indie rock']
'TXXX:lastfmtags'                                   ['electronica', 'indie', 'electropop', 'electronic', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.22 dB'
'TXXX:replaygain_track_peak'                        '0.609886'

========================== row from database ==========================
                                              'id'  1356666
                                            'path'  /data/Music/Bulk/00poprockelectronic/Junior Boys/[2006] So This Is Goodbye/08 Caught In A Wave.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  219
                                           'genre'  electronic-we-electropop or synthpop;set-pl-sced
                                        'filesize'  6701757
                                           'mtime'  1638555007
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2006] 08 electronic we electropop synthpop;set pl sced
                                      'tag_artist'  Junior Boys
                                     'tag_release'  So This Is Goodbye
                                       'tag_title'  Caught In A Wave
                                             'bpm'  97.039
                                    'search_title'  'a':3 'caught':1 'in':2 'wave':4
                                   'search_artist'  'boys':2 'junior':1
                                  'search_release'  'goodbye':4 'is':3 'so':1 'this':2
                                     'search_rest'  '00poprockelectronic':1 '2006':2,3 'electronic':4 'electropop':6 'pl':11 'sced':12 'set':8,10 'synthpop':7,9 'we':5
                                    'search_combo'  '00poprockelectronic':11 '2006':12,13 'a':3A 'boys':6B 'caught':1A 'electronic':14 'electropop':16 'goodbye':10C 'in':2A 'is':9C 'junior':5B 'pl':21 'sced':22 'set':18,20 'so':7C 'synthpop':17,19 'this':8C 'wave':4A 'we':15
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'indie', 'electropop', 'electronic', 'canadian']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'synth-pop', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638555006.7523594  (2021-12-03 19:10:06)
                             'size'  6701757