======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '392'
                                          'artist'  'Synth Sense'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  'Soulstice DSM available now on beatport'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['breakbeat', 'drum and bass', 'downtempo', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '84.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '84.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Soulstice DSM available now on beatport'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Synth Sense'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['breakbeat', 'drum and bass', 'downtempo', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.507158'

========================== row from database ==========================
                                              'id'  856615
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/synth-sense/Soulstice_DSM_available now on beatport-396774.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  392
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  6281165
                                           'mtime'  1621085009
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud synth sense Soulstice_DSM_available 396774 electronic techno minimal deephouse
                                      'tag_artist'  Synth Sense
                                     'tag_release'  ?
                                       'tag_title'  Soulstice DSM available now on beatport
                                             'bpm'  84.5
                                    'search_title'  'available':3 'beatport':6 'dsm':2 'now':4 'on':5 'soulstice':1
                                   'search_artist'  'sense':2 'synth':1
                                  'search_release'  
                                     'search_rest'  '396774':7 'available':6 'deephouse':11 'dsm':5 'electronic':8 'minimal':10 'sense':3 'soulstice':4 'soundcloud':1 'synth':2 'techno':9
                                    'search_combo'  '396774':15 'available':3A,14 'beatport':6A 'deephouse':19 'dsm':2A,13 'electronic':16 'minimal':18 'now':4A 'on':5A 'sense':8B,11 'soulstice':1A,12 'soundcloud':9 'synth':7B,10 'techno':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'drum and bass', 'downtempo', 'experimental', 'ambient']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085008.9495864  (2021-05-15 15:23:28)
                             'size'  6281165