======================== unified (from filesystem) ========================
                                         'bitrate'  '248.695'
                                        'duration'  '172'
                                          'artist'  'Andy Rehfeldt'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bob Marley and The Wailers - Three Little Birds (Metal Version)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-4', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['death metal', 'jazz', 'metal', 'cover', 'parody']"
                                     'discogstags'  ("['classical', 'jazz', 'contemporary', 'art rock', 'rock', 'jazz-rock', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '103.0'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '103.0'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Bob Marley and The Wailers - Three Little Birds (Metal Version)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Andy Rehfeldt'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['classical',
 'jazz',
 'contemporary',
 'art rock',
 'rock',
 'jazz-rock',
 'experimental']
'TXXX:lastfmtags'                                   ['death metal', 'jazz', 'metal', 'cover', 'parody']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.527166'

========================== row from database ==========================
                                              'id'  974362
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/AndyRehfeldt/Metal/The Wailers(Bob Marley)-Three Little Birds(Metal Version)-KGjnC_nXTbY.webm.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  172
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  5373327
                                           'mtime'  1642256859
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm AndyRehfeldt Wailers(Bob Marley) Birds(Metal KGjnC_nXTbY.webm set th novelty styledcovers;set cover or covered
                                      'tag_artist'  Andy Rehfeldt
                                     'tag_release'  None
                                       'tag_title'  Bob Marley and The Wailers - Three Little Birds (Metal Version)
                                             'bpm'  103.0
                                    'search_title'  'and':3 'birds':8 'bob':1 'little':7 'marley':2 'metal':9,10 'the':4 'three':6 'version':11,12 'wailers':5
                                   'search_artist'  'andy':1 'rehfeldt':2
                                  'search_release'  
                                     'search_rest'  'andy':25 'andyrehfeldt':1 'birds':7 'birdsmetal':9 'bob':3 'c':28 'cover':22 'covered':24 'kgjn':27 'kgjnc':10,13 'marley':5,6 'metal':8 'n':29 'novelty':17 'nxtby':11 'nxtbywebm':14 'or':23 'rehfeldt':26 'set':15,19,21 'styledcovers':18,20 'th':16 'wailers':2 'wailersbob':4 'webm':12,32 'xtb':30 'y':31 'ywebm':33
                                    'search_combo'  'and':3A 'andy':13B,39 'andyrehfeldt':15 'birds':8A,21 'birdsmetal':23 'bob':1A,17 'c':42 'cover':36 'covered':38 'kgjn':41 'kgjnc':24,27 'little':7A 'marley':2A,19,20 'metal':9A,10A,22 'n':43 'novelty':31 'nxtby':25 'nxtbywebm':28 'or':37 'rehfeldt':14B,40 'set':29,33,35 'styledcovers':32,34 'th':30 'the':4A 'three':6A 'version':11A,12A 'wailers':5A,16 'wailersbob':18 'webm':26,46 'xtb':44 'y':45 'ywebm':47
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-4', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['death metal', 'jazz', 'metal', 'cover', 'parody']
                                        'tag_date'  2010
                                     'discogstags'  ['classical', 'jazz', 'contemporary', 'art rock', 'rock', 'jazz-rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1642256859.110322  (2022-01-15 15:27:39)
                             'size'  5373327