======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '256'
                                          'artist'  'Jason Mraz'
                                     'text_people'  ''
                                         'release'  'Waiting For My Rocket To Come'
                                           'title'  "The Remedy (I Won't Worry)"
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                                      'lastfmtags'  "['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']"
                                     'discogstags'  "['rock', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '126.568'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Waiting For My Rocket To Come'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "The Remedy (I Won't Worry)"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Mraz'
'TRCK' (Track number/Position in set)               '3'
'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'                                  ['rock', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.357024'

========================== row from database ==========================
                                              'id'  1516762
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Jason Mraz/Jason.Mraz.Waiting.For.My.Rocket.To.Come/Waiting.For.My.Rocket.To.Come/Jason Mraz - Waiting For My Rocket To Come - 03 - The Remedy (I Won_t Worry).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  256
                                           'genre'  ifs-songwriter
                                        'filesize'  6156783
                                           'mtime'  1637249141
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Jason.Mraz.Waiting.For.My.Rocket.To.Come Waiting.For.My.Rocket.To.Come 03 Won_t ifs songwriter
                                      'tag_artist'  Jason Mraz
                                     'tag_release'  Waiting For My Rocket To Come
                                       'tag_title'  The Remedy (I Won't Worry)
                                             'bpm'  126.568
                                    'search_title'  'i':3,4 'remedy':2 't':6 'the':1 'won':5 'wont':7 'worry':8,9
                                   'search_artist'  'jason':1 'mraz':2
                                  'search_release'  'come':6 'for':2 'my':3 'rocket':4 'to':5 'waiting':1
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                                    'search_combo'  '00singer':18 'come':17C,28,35 'eos':20 'for':13C,24,31 'i':3A,4A 'ifs':39 'jason':10B,21 'jasonmrazwaitingformyrockettocome':29 'mraz':11B,22 'my':14C,25,32 'remedy':2A 'rocket':15C,26,33 'songwriter':19 't':6A,38 'the':1A 'to':16C,27,34 'waiting':12C,23,30 'waitingformyrockettocome':36 'won':5A,37 'wont':7A 'worry':8A,9A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637249141.1302214  (2021-11-18 16:25:41)
                             'size'  6156783