======================== unified (from filesystem) ========================
                                         'bitrate'  '140.848'
                                        'duration'  '298'
                                          'artist'  'Grant Green'
                                     'text_people'  ''
                                         'release'  'Dimitri - Exotic Soulful & Reggae'
                                           'title'  'In the middle'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['guitar', 'fip', 'jazz', 'jazz guitar', 'groove', 'funk']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '143.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Exotic Soulful & Reggae'
'TBPM' (BPM (beats per minute))                     '143.2'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'In the middle'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Grant Green'
'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'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['guitar', 'fip', 'jazz', 'jazz guitar', 'groove', 'funk']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.458744'
'TXXX:youtube'                                      'baIG042xc8Y'

========================== row from database ==========================
                                              'id'  1477326
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/ExoticSoulfulReggae/Grant Green - In the middle-baIG042xc8Y.mp3
                                         'working'  None
                                         'bitrate'  140
                                    'duration_sec'  298
                                           'genre'  funk or soul
                                        'filesize'  5258756
                                           'mtime'  1628357621
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ExoticSoulfulReggae baIG042xc8Y funk or soul
                                      'tag_artist'  Grant Green
                                     'tag_release'  Dimitri - Exotic Soulful & Reggae
                                       'tag_title'  In the middle
                                             'bpm'  143.2
                                    'search_title'  'in':1 'middle':3 'the':2
                                   'search_artist'  'grant':1 'green':2
                                  'search_release'  'dimitri':1 'exotic':2 'reggae':4 'soulful':3
                                     'search_rest'  'ba':9 'baig042xc8y':2 'exotic':6 'exoticsoulfulreggae':1 'funk':3 'ig042xc8y':10 'or':4 'reggae':8 'soul':5 'soulful':7
                                    'search_combo'  'ba':18 'baig042xc8y':11 'dimitri':6C 'exotic':7C,15 'exoticsoulfulreggae':10 'funk':12 'grant':4B 'green':5B 'ig042xc8y':19 'in':1A 'middle':3A 'or':13 'reggae':9C,17 'soul':14 'soulful':8C,16 'the':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-4', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  ['guitar', 'fip', 'jazz', 'jazz guitar', 'groove', 'funk']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1628357621.336808  (2021-08-07 19:33:41)
                             'size'  5258756