======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '255'
                                          'artist'  'Noah And The Whale'
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                                         'release'  'Peaceful The World Lays Me Down'
                                           'title'  'Give A Little Love'
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                                      'lastfmtags'  "['indie', 'folk rock', 'indie folk', 'british', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '113.453'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Peaceful The World Lays Me Down'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Give A Little Love'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Noah And The Whale'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'indie folk', 'british', 'folk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.647626'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Noah And The Whale/Peaceful The World Lays Me Down/05-noah_and_the_whale-give_a_little_love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  255
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  6126612
                                           'mtime'  1621852091
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 noah_and_the_whale give_a_little_love ifs songwriter indie unsorted
                                      'tag_artist'  Noah And The Whale
                                     'tag_release'  Peaceful The World Lays Me Down
                                       'tag_title'  Give A Little Love
                                             'bpm'  113.453
                                    'search_title'  'a':2 'give':1 'little':3 'love':4
                                   'search_artist'  'and':2 'noah':1 'the':3 'whale':4
                                  'search_release'  'down':6 'lays':4 'me':5 'peaceful':1 'the':2 'world':3
                                     'search_rest'  '00singer':1 'a':9 'and':5 'eos':3 'give':8 'ifs':12 'indie':13 'little':10 'love':11 'noah':4 'songwriter':2 'the':6 'unsorted':14 'whale':7
                                    'search_combo'  '00singer':15 'a':2A,23 'and':6B,19 'down':14C 'eos':17 'give':1A,22 'ifs':26 'indie':27 'lays':12C 'little':3A,24 'love':4A,25 'me':13C 'noah':5B,18 'peaceful':9C 'songwriter':16 'the':7B,10C,20 'unsorted':28 'whale':8B,21 'world':11C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'indie folk', 'british', 'folk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621852091.1682131  (2021-05-24 12:28:11)
                             'size'  6126612