======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '262'
                                          'artist'  'The Shins'
                                     'text_people'  'James Mercer/The Shins'
                                         'release'  'Oh, Inverted World'
                                           'title'  'One by One All Day'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'pop', 'pop rock', 'indie rock', 'indie pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '130.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Oh, Inverted World'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCOM' (Composer)                                   'James Mercer/The Shins'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'One by One All Day'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Shins'
'TPE2' (Band/orchestra/accompaniment)               'The Shins'
'TPUB' (Publisher)                                  'Pony Canyon'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  ['rock', 'pop', 'pop rock', 'indie rock', 'indie pop']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-1.77 dB'
'TXXX:replaygain_track_peak'                        '0.746712'

========================== row from database ==========================
                                              'id'  1263872
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Shins - Shins,The/Oh Inverted World/the shins - oh inverted world - 02 - one by one all day.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  262
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4213751
                                           'mtime'  1638554823
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Shins,The the shins oh inverted world 02 one one all day ifs songwriter indie rock
                                      'tag_artist'  The Shins
                                     'tag_release'  Oh, Inverted World
                                       'tag_title'  One by One All Day
                                             'bpm'  130.1
                                    'search_title'  'all':3 'by':2 'day':4 'one':1
                                   'search_artist'  'shins':2 'the':1
                                  'search_release'  'inverted':3 'oh':1,2 'world':4
                                     'search_rest'  '00singer':1 'all':14 'day':15 'eos':3 'ifs':16 'indie':17 'inverted':11 'oh':10 'one':13 'rock':18 'shins':4,6,9 'songwriter':2 'the':5,7,8 'world':12
                                    'search_combo'  '00singer':11 'all':3A,24 'by':2A 'day':4A,25 'eos':13 'ifs':26 'indie':27 'inverted':9C,21 'oh':7C,8C,20 'one':1A,23 'rock':28 'shins':6B,14,16,19 'songwriter':12 'the':5B,15,17,18 'world':10C,22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'pop', 'pop rock', 'indie rock', 'indie pop']

============================== file details ==============================
                                           'mtime'  1638554823.11743  (2021-12-03 19:07:03)
                             'size'  4213751