======================== unified (from filesystem) ========================
                                         'bitrate'  '79.714'
                                        'duration'  '200'
                                          'artist'  'joe Higgs and Ken Boothe'
                                     'text_people'  ''
                                         'release'  'Dimitri - Exotic Soulful & Reggae'
                                           'title'  'Message Of Old'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '98.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Exotic Soulful & Reggae'
'TBPM' (BPM (beats per minute))                     '98.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'Message Of Old'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'joe Higgs and Ken Boothe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   'rocksteady'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.469404'
'TXXX:youtube'                                      'EJNfRed_bsM'

========================== row from database ==========================
                                              'id'  1477571
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/ExoticSoulfulReggae/joe Higgs and Ken Boothe - Message Of Old-EJNfRed_bsM.mp3
                                         'working'  None
                                         'bitrate'  79
                                    'duration_sec'  200
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  2005618
                                           'mtime'  1620520540
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ExoticSoulfulReggae EJNfRed_bsM loc style reggae or dub or ska or dancehall dub roots reggae
                                      'tag_artist'  joe Higgs and Ken Boothe
                                     'tag_release'  Dimitri - Exotic Soulful & Reggae
                                       'tag_title'  Message Of Old
                                             'bpm'  98.0
                                    'search_title'  'message':1 'of':2 'old':3
                                   'search_artist'  'and':3 'boothe':5 'higgs':2 'joe':1 'ken':4
                                  'search_release'  'dimitri':1 'exotic':2 'reggae':4 'soulful':3
                                     'search_rest'  'bs':16 'bsm':3 'dancehall':10 'dub':8 'ejnf':14 'ejnfred':2 'exotic':12 'exoticsoulfulreggae':1 'loc':4 'm':17 'or':7 'red':15 'reggae':6 'roots':11 'ska':9 'soulful':13 'style':5
                                    'search_combo'  'and':6B 'boothe':8B 'bs':28 'bsm':15 'dancehall':22 'dimitri':9C 'dub':20 'ejnf':26 'ejnfred':14 'exotic':10C,24 'exoticsoulfulreggae':13 'higgs':5B 'joe':4B 'ken':7B 'loc':16 'm':29 'message':1A 'of':2A 'old':3A 'or':19 'red':27 'reggae':12C,18 'roots':23 'ska':21 'soulful':11C,25 'style':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['rocksteady']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520539.6870677  (2021-05-09 02:35:39)
                             'size'  2005618