======================== unified (from filesystem) ========================
                                         'bitrate'  '248.045'
                                        'duration'  '257'
                                          'artist'  'Caro Emerald'
                                     'text_people'  ''
                                         'release'  'Deleted Scenes from the Cutting Room Floor'
                                           'title'  "I Know That He's Mine"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['00s', 'jazz', 'female vocalists', 'pop', 'dutch']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-jazz;loc-eur-netherlands'
                                             'bpm'  '103.748'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deleted Scenes from the Cutting Room Floor'
'TBPM' (BPM (beats per minute))                     '103.748'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-jazz', 'loc-eur-netherlands']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "I Know That He's Mine"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Caro Emerald'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['00s', 'jazz', 'female vocalists', 'pop', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.438340'

========================== row from database ==========================
                                              'id'  1513064
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Caro Emerald/Caro Emerald - Deleted Scenes from the Cutting Room Floor (V0)/10 - Caro Emerald - I Know That He_s Mine.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  257
                                           'genre'  ifs-songwriter-jazz;loc-eur-netherlands
                                        'filesize'  7978135
                                           'mtime'  1621630271
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos (V0) 10 He_s ifs songwriter jazz;loc eur netherlands
                                      'tag_artist'  Caro Emerald
                                     'tag_release'  Deleted Scenes from the Cutting Room Floor
                                       'tag_title'  I Know That He's Mine
                                             'bpm'  103.748
                                    'search_title'  'he':4 'hes':6 'i':1 'know':2 'mine':7 's':5 'that':3
                                   'search_artist'  'caro':1 'emerald':2
                                  'search_release'  'cutting':5 'deleted':1 'floor':7 'from':3 'room':6 'scenes':2 'the':4
                                     'search_rest'  '00singer':1 'eos':3 'eur':13 'he':6 'ifs':8 'jazz':9,11 'loc':10,12 'netherlands':14 's':7 'songwriter':2 'v0':4,5
                                    'search_combo'  '00singer':17 'caro':8B 'cutting':14C 'deleted':10C 'emerald':9B 'eos':19 'eur':29 'floor':16C 'from':12C 'he':4A,22 'hes':6A 'i':1A 'ifs':24 'jazz':25,27 'know':2A 'loc':26,28 'mine':7A 'netherlands':30 'room':15C 's':5A,23 'scenes':11C 'songwriter':18 'that':3A 'the':13C 'v0':20,21
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['00s', 'jazz', 'female vocalists', 'pop', 'dutch']
                                        'tag_date'  2010
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621630270.5739458  (2021-05-21 22:51:10)
                             'size'  7978135